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Simplifying
7x2 + -13 = -12
Reorder the terms:
-13 + 7x2 = -12
Solving
-13 + 7x2 = -12
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 = -12 + 13
Combine like terms: -13 + 13 = 0
0 + 7x2 = -12 + 13
7x2 = -12 + 13
Combine like terms: -12 + 13 = 1
7x2 = 1
Divide each side by '7'.
x2 = 0.1428571429
Simplifying
x2 = 0.1428571429
Take the square root of each side:
x = {-0.377964473, 0.377964473}
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