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Simplifying
3x2 + -16 + -7 = 5
Reorder the terms:
-16 + -7 + 3x2 = 5
Combine like terms: -16 + -7 = -23
-23 + 3x2 = 5
Solving
-23 + 3x2 = 5
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '23' to each side of the equation.
-23 + 23 + 3x2 = 5 + 23
Combine like terms: -23 + 23 = 0
0 + 3x2 = 5 + 23
3x2 = 5 + 23
Combine like terms: 5 + 23 = 28
3x2 = 28
Divide each side by '3'.
x2 = 9.333333333
Simplifying
x2 = 9.333333333
Take the square root of each side:
x = {-3.055050463, 3.055050463}
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