3x^2+5+20=100

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Solution for 3x^2+5+20=100 equation: 


Simplifying
3x2 + 5 + 20 = 100

Reorder the terms:
5 + 20 + 3x2 = 100

Combine like terms: 5 + 20 = 25
25 + 3x2 = 100

Solving
25 + 3x2 = 100

Solving for variable 'x'.

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

Add '-25' to each side of the equation.
25 + -25 + 3x2 = 100 + -25

Combine like terms: 25 + -25 = 0
0 + 3x2 = 100 + -25
3x2 = 100 + -25

Combine like terms: 100 + -25 = 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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