(x-3)(x+3)=8x
do you need help guest again
x^2 - 9 = 8x subtract 8x from both sides
x^2 - 8x - 9 = 0 factor
(x - 9) ( x +1) = 0
Set both factors to 0
x - 9 = 0 x + 1 = 0
add 9 to both sides subtract1 from both sides
x = 9 x = -1
And those are the two solutions
