Question

Solve for x: 8x2 + 64x = 0

Answer 1

8x2+64x=0

16x+64x=0 ===> x=0

Answer 2

8 x² + 64 x = 0
x · ( 8 x + 64 ) = 0
x = 0,  or:  8 x + 64 = 0
                 8 x = - 64
                 x = - 64 : 8
                 x = - 8
Answer :  x = 0, or x = -8