Calculați: (2x-3)²-(x+2)²+3(x-1)(x+1)-x(3-x).
REZOLVAREA,VĂ ROG!!

Răspunsul a fost dat de: USER3538
29 Agustus 2025 matematica 5 minute
4.5
71 Vezi 71 comentarii 10 Distribui

Întrebare

Clasă: Education Materie: matematica
Calculați: (2x-3)²-(x+2)²+3(x-1)(x+1)-x(3-x).
REZOLVAREA,VĂ ROG!!
Întrebare a fost pusă de:
71 Vezi 71 Răspunsuri

Răspuns (71)

Cel mai bun răspuns
(202)
(2x-3)²-(x+2)²+3(x-1)(x+1)-x(3-x)=
=(2x-3-x-2)(2x-3+x+2)+3(x²-1)-3x+x²=
=(x-5)(3x-1)+3x²-3-3x+x²=
=3x²-15x-x+5+4x²-3-3x=
=7x²-19x+2

Răspunsul a fost dat în data 29 Agustus 2025

Articole relevante

250+17x(120:3_46_32)+520 tolong y kk pake cara

46 Vezi 46 comentarii

Make the b the subject of b2 - 4ac = x

38 Vezi 38 comentarii

Se numesc anthropode deoarece ....​

35 Vezi 35 comentarii

manfaat letak geogravis indonesia d bidang agama

48 Vezi 48 comentarii

What are the security risks associated with disabling SSL/TLS security features in Firefox as a workaround for the 'ssl_error_handshake_failure_alert' error?

157 Vezi 157 comentarii

Himpunan penyelesaian dari (2x-3)/5>2. Tolong kakak

54 Vezi 54 comentarii

Jen works in a department store. Before she completes a return, she has to verify the transaction with her manager. Under what do Jen and her manager operate?

A.) a hierarchy
B.) a strategy
C.) a mission
D.) an objective

160 Vezi 256 comentarii

o prajitura cu ciocolata contine 17% cacao .daca se folosesc 51 grame de cacao ,cate grame are prajitura?


123 Vezi 123 comentarii

persamaan gelombang berjalan sebagai berikut y = 0,04 sin ( 40t-5x) dengan x dan y dalam cm dan t dalam s tentukan frekuensinya

127 Vezi 127 comentarii

Which of these statements accurately describes Siddhartha Gautama, the founder of Buddhism?
a. He saw a contradiction between the teachings of the Hindu sacred texts and rituals and the state of humankind.
b. He had decided at an early age to become a Hindu priest. He felt compelled to spread Hinduism to all areas of the world.
c. He believed he had been put on Earth to lead a rebellion against the Hindu priests.
d. He believed the adoption of Judaism would be the onl

160 Vezi 500 comentarii

What is SEOquake and how can it help a blogger analyze a webpage?

65 Vezi 65 comentarii

the ratio between the number of cats(c) in a pet shelter and the number of dogs (d) in the shelter is 3. There are 27 cats in the shelter. How many dogs are in the shelter.

160 Vezi 172 comentarii

nilai maksimum dari fungsi objektif f(x,y)=3x+y dengan syarat x+2y < 10;x +y<7:x>0:y.0 dan x,y R

105 Vezi 105 comentarii

Exercice 1:
Développer et réduire les expressions suivantes :
A = -4(x + 3) + 5(6 + x) 3 B = 3(8 + 2x) + 7(3x + 7)
C = 4x(-2x + 3) + 2x(3x - 6)
D = 5x(6-7x) - *(8+2x)
:
E = 6x(3x + 4)+4(5x+6)
;
F = -3x(-2x+6) + X(4x - 2)
G = 4(6 + 5x) + 9x(2x - 3)
:
H = 7x(3x - 2)-(-6 + x)
;
I = -3x(-2x+6) + x(4x-2)

160 Vezi 384 comentarii

scrie numerele naturale de doua cifre care au cufra unitatiloregala cu 3

72 Vezi 72 comentarii