Answer
$x^2-3x-10$
Work Step by Step
RECALL
For any real numbers a, b, and c:
$a(b+c)=ab + ac$
Use the distributive property (which is shown above) to obtain:
$=x(x+2) - 5(x+2)
\\=x(x) + x(2) - 5(x) - 5(2)
\\=x^2+2x-5x-10
\\=x^2+(2-5)x-10
\\=x^2+(-3)x-10
\\=x^2-3x-10$
