Question

Simplifique as expressões
A) (x+4) (x-3) +2
B) (x+3) (x+4) -2 (x+1)
C) 3x (x-1) + (x+2) (x+5(

Answer 1

a)(x+4)(x-3)+2

x^2-3x+4x-12+2

x^2+x-10

b)(x+3)(x+4)-2(x+1)

x^2+4x+3x+12-2x-2

x^2+5x+10

c)3x(x-1)+(x+2)(x+5)

3x^2-3x+x^2+5x+2x+10

4x^2+4x+10