2x^2-50+21=7

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Solution for 2x^2-50+21=7 equation: 


Simplifying
2x2 + -50 + 21 = 7

Reorder the terms:
-50 + 21 + 2x2 = 7

Combine like terms: -50 + 21 = -29
-29 + 2x2 = 7

Solving
-29 + 2x2 = 7

Solving for variable 'x'.

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

Add '29' to each side of the equation.
-29 + 29 + 2x2 = 7 + 29

Combine like terms: -29 + 29 = 0
0 + 2x2 = 7 + 29
2x2 = 7 + 29

Combine like terms: 7 + 29 = 36
2x2 = 36

Divide each side by '2'.
x2 = 18

Simplifying
x2 = 18

Take the square root of each side:
x = {-4.242640687, 4.242640687}

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