Answered

besoin d aide

Factoriser

A=(2x+3)(x-4)-(2x+3)(4x-5)
B=2x-5-(2x-5)²

Sagot :

A=(2X+3){(X-4)-(4X-5)}
A=(2X+3)(-3X+1)

B=(2X-5)(1-2X-5)
B=(2X-5)(-2X-6)
CHARLYNE55
A= (2x+3)((x-4)-(4x-5) = (2x+3)(-3x+1)