(x*x)-7=(x*x)-6x-7

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Solution for (x*x)-7=(x*x)-6x-7 equation:


Simplifying
(x * x) + -7 = (x * x) + -6x + -7

Multiply x * x
(x2) + -7 = (x * x) + -6x + -7
x2 + -7 = (x * x) + -6x + -7

Reorder the terms:
-7 + x2 = (x * x) + -6x + -7

Multiply x * x
-7 + x2 = (x2) + -6x + -7
-7 + x2 = x2 + -6x + -7

Reorder the terms:
-7 + x2 = -7 + -6x + x2

Add '7' to each side of the equation.
-7 + 7 + x2 = -7 + -6x + 7 + x2

Combine like terms: -7 + 7 = 0
0 + x2 = -7 + -6x + 7 + x2
x2 = -7 + -6x + 7 + x2

Reorder the terms:
x2 = -7 + 7 + -6x + x2

Combine like terms: -7 + 7 = 0
x2 = 0 + -6x + x2
x2 = -6x + x2

Add '-1x2' to each side of the equation.
x2 + -1x2 = -6x + x2 + -1x2

Combine like terms: x2 + -1x2 = 0
0 = -6x + x2 + -1x2

Combine like terms: x2 + -1x2 = 0
0 = -6x + 0
0 = -6x

Solving
0 = -6x

Solving for variable 'x'.

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

Add '6x' to each side of the equation.
0 + 6x = -6x + 6x
Remove the zero:
6x = -6x + 6x

Combine like terms: -6x + 6x = 0
6x = 0

Divide each side by '6'.
x = 0

Simplifying
x = 0

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