2x(x)-7=-15

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Solution for 2x(x)-7=-15 equation:


Simplifying
2x(x) + -7 = -15

Multiply x * x
2x2 + -7 = -15

Reorder the terms:
-7 + 2x2 = -15

Solving
-7 + 2x2 = -15

Solving for variable 'x'.

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

Add '7' to each side of the equation.
-7 + 7 + 2x2 = -15 + 7

Combine like terms: -7 + 7 = 0
0 + 2x2 = -15 + 7
2x2 = -15 + 7

Combine like terms: -15 + 7 = -8
2x2 = -8

Divide each side by '2'.
x2 = -4

Simplifying
x2 = -4

Reorder the terms:
4 + x2 = -4 + 4

Combine like terms: -4 + 4 = 0
4 + x2 = 0

The solution to this equation could not be determined.

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