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Simplifying
13x2 + -30 = 28
Reorder the terms:
-30 + 13x2 = 28
Solving
-30 + 13x2 = 28
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '30' to each side of the equation.
-30 + 30 + 13x2 = 28 + 30
Combine like terms: -30 + 30 = 0
0 + 13x2 = 28 + 30
13x2 = 28 + 30
Combine like terms: 28 + 30 = 58
13x2 = 58
Divide each side by '13'.
x2 = 4.461538462
Simplifying
x2 = 4.461538462
Take the square root of each side:
x = {-2.112235418, 2.112235418}
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