Question

What are the solutions to the equation `x^2 = -x+ 72`?

Answer 1

x=8,-9

Explanation:

1.)`x^2 = -x +72`
2.)`x^2+x= 72`
3.)`x^2+x-72= 0`
4.)`(x+9)(x-8)=0`
When #x=8 or -9, the expression is equivalent to zero.