Question

(x-1)(x-2) +(x+3)(x-5)= matemáticas

Answer 1

Explicación paso a paso:

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

(x^2-2x-x+2)+(x+3)(x-5)=

(x^2-2x-x+2)+(x^2-5x+3x-15)=

x^2-2x-x+2+x^2-5x+3x-15=

x^2-3x+2+x^2-2x-15=

x^2-5x+2+x^2-15=

x^2-5x+x^2-13=

2x^2-5x-13