Question

Simplificar: 1. a(x-1)+x(x+1)+5(x+1)

Answer 1

Distribute:

=x+−1+(x)(x)+(x)(1)+(5)(x)+(5)(1)

=x+−1+x^2+x+5x+5

Combinar términos comunes:

=x+−1+x^2+x+5x+5

=(x^2)+(x+x+5x)+(−1+5)

=x^2+7x+4

solución:

=x^2+7x+4