Question

solve using the principle of zero products

x^2-x=72

-8,-9?

Answer 1

x^2-x - 72 = 0
x^2-9x+8x-72 = 0
x(x-9)+8(x-9) = 0
(x-9)(x+8) = 0
x = -8,9

Answer 2

You have to do the steps if you want to get these right

Answer 3

i was hoping for a short cut

Answer 4

Nope, sorry. No shortcut