Question

solve by factoring x^2 -7x-72=0

Answer 1

no way

Answer 2

thanks for your help Damon!

Answer 3

sqrt (b^2-4ac) = sqrt (337)
that is not a perfect square so factoring will not work.

Answer 4

So close!
x^2 - 6x - 72 = (x-12)(x+6)
x^2 - x - 72 = (x-9)(x+8)