# How do you simplify  -x(1-x)+x(1+7x)?

Mar 25, 2018

$8 {x}^{2}$
the equation has same $x$ so that equation could be
= $x \left(x - 1\right) + x \left(7 x + 1\right)$
= $x \left(x - 1 + 7 x + 1\right)$
= $8 {x}^{2}$