36-4+8-2x^2=7

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Solution for 36-4+8-2x^2=7 equation: 


Simplifying
36 + -4 + 8 + -2x2 = 7

Combine like terms: 36 + -4 = 32
32 + 8 + -2x2 = 7

Combine like terms: 32 + 8 = 40
40 + -2x2 = 7

Solving
40 + -2x2 = 7

Solving for variable 'x'.

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

Add '-40' to each side of the equation.
40 + -40 + -2x2 = 7 + -40

Combine like terms: 40 + -40 = 0
0 + -2x2 = 7 + -40
-2x2 = 7 + -40

Combine like terms: 7 + -40 = -33
-2x2 = -33

Divide each side by '-2'.
x2 = 16.5

Simplifying
x2 = 16.5

Take the square root of each side:
x = {-4.062019202, 4.062019202}

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