Question

W = (x + 2)2 + (x + 1)2 + (x + 8)2 - 3x2 - 22x - 60​

Answer 1

Respuesta:

Explicación paso a paso:

$\left(x+2\right)^2+\left(x+1\right)^2+\left(x+8\right)^2-3x^2-22x-60$

$\left(x+2\right)^2:\quad x^2+4x+4$

$=x^2+4x+4+\left(x+1\right)^2+\left(x+8\right)^2-3x^2-22x-60$

$\left(x+1\right)^2:\quad x^2+2x+1$

$=x^2+4x+4+x^2+2x+1+\left(x+8\right)^2-3x^2-22x-60$

$\left(x+8\right)^2:\quad x^2+16x+64$

$=x^2+4x+4+x^2+2x+1+x^2+16x+64-3x^2-22x-60$

$\mathrm{Simplificar}\:x^2+4x+4+x^2+2x+1+x^2+16x+64-3x^2-22x-60:\quad 9$

$=9$