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Simplifying
x * 5x + -19 = 30
Reorder the terms for easier multiplication:
5x * x + -19 = 30
Multiply x * x
5x2 + -19 = 30
Reorder the terms:
-19 + 5x2 = 30
Solving
-19 + 5x2 = 30
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '19' to each side of the equation.
-19 + 19 + 5x2 = 30 + 19
Combine like terms: -19 + 19 = 0
0 + 5x2 = 30 + 19
5x2 = 30 + 19
Combine like terms: 30 + 19 = 49
5x2 = 49
Divide each side by '5'.
x2 = 9.8
Simplifying
x2 = 9.8
Take the square root of each side:
x = {-3.130495169, 3.130495169}
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