9x*7x-9=

Solution for 9x*7x-9= equation:

Simplifying
9x * 7x + -9 = 0

Reorder the terms for easier multiplication:
9 * 7x * x + -9 = 0

Multiply 9 * 7
63x * x + -9 = 0

Multiply x * x
63x2 + -9 = 0

Reorder the terms:
-9 + 63x2 = 0

Solving
-9 + 63x2 = 0

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '9' to each side of the equation.
-9 + 9 + 63x2 = 0 + 9

Combine like terms: -9 + 9 = 0
0 + 63x2 = 0 + 9
63x2 = 0 + 9

Combine like terms: 0 + 9 = 9
63x2 = 9

Divide each side by '63'.
x2 = 0.1428571429

Simplifying
x2 = 0.1428571429

Take the square root of each side:
x = {-0.377964473, 0.377964473}