RACHILLELOVELA
Answered

A= 4r + 4t
B= 7z+9z
C= 3y puissance2+2y
D= 4x(x+2)+3(x+2)
E= -3y(y+6)+7(y+6)
F= (x-1)(5x+4)+(3+x)(x-1)​

Sagot :

SOSO3352

Réponse:

A= 4r+4t

=4(r+t)

B= 7z+9z

= z(7+9)

D=4x(x+2)+3(x+2)

= (x+2)(4x+3)

= 4x²+3x+8x+6

= 4x²+11x+6

E= -3y(y+6)+7(y+6)

= (y+6)(-3y+7)

= -3y²+7y-18y+42

= -3y²-11y+42

F= (x-1)(5x+4)+(3+x)(x-1)

= (x-1)(5x+4+3+x)

= (x-1)(6x+7)

= 6x²+7x-6x-7

= 6x²+x-7