sa fait combien (2x-3)(x+1)+(5x-7) svp ?

Sagot :

Bonjour,

(2x-3)(x+1)+(5x-7) = 2x²+2x-3x-3+5x-7 = 2x²+4x-10

(2x-3)(x+1)+(5x-7) = 2x^2+2x-3x-3+5x-7 = 2x^2+4x-10