7x^2-13=-20

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Solution for 7x^2-13=-20 equation:


Simplifying
7x2 + -13 = -20

Reorder the terms:
-13 + 7x2 = -20

Solving
-13 + 7x2 = -20

Solving for variable 'x'.

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

Add '13' to each side of the equation.
-13 + 13 + 7x2 = -20 + 13

Combine like terms: -13 + 13 = 0
0 + 7x2 = -20 + 13
7x2 = -20 + 13

Combine like terms: -20 + 13 = -7
7x2 = -7

Divide each side by '7'.
x2 = -1

Simplifying
x2 = -1

Reorder the terms:
1 + x2 = -1 + 1

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

The solution to this equation could not be determined.

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