Question

Vă rog toată ​rezolvarea dacă puteți

Answer 1

8.a) 2x(x+3)=2x^2+6x

b)3x(x-2)=3x^2-6x

c)6x(x+7)=6x^2+42x

d)5x(x-4)=5x^2-20x

e)7x(x+5)=7x^2+35x

f)8x(9-x)=72x-8x^2

9.a)8x^2+28x

b)24x^2-30x

c)6x^2+21x

d)24x^2-56x

e)54x^2+18x

f)20x^2-15x

10.a)6x^4+12x^3

b)24x^4-30x^3

c)14x^4+6x^3

d)-2x^6-10x^5

e)-3x^6+18x^5

f)-4x^6+12x^5