3x^2+5=80

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Solution for 3x^2+5=80 equation:


Simplifying
3x2 + 5 = 80

Reorder the terms:
5 + 3x2 = 80

Solving
5 + 3x2 = 80

Solving for variable 'x'.

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

Add '-5' to each side of the equation.
5 + -5 + 3x2 = 80 + -5

Combine like terms: 5 + -5 = 0
0 + 3x2 = 80 + -5
3x2 = 80 + -5

Combine like terms: 80 + -5 = 75
3x2 = 75

Divide each side by '3'.
x2 = 25

Simplifying
x2 = 25

Take the square root of each side:
x = {-5, 5}

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