Answer:
x=0 x = -6
Step-by-step explanation:
7x^2−5x=9x^2+7x
subtract 7x^2 from each side
7x^2-7x^2−5x=9x^2-7x^2+7x
-5x = 2x^2 +7x
Add 5x from each side
-5x+5x = 2x^2 +7x+5x
0 = 2x^2 +12x
Factor out a 2x
0 = 2x(x+6)
Using the zero product property
2x =0 x+6 = 0
x=0 x = -6
