25=638x^2-45

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Solution for 25=638x^2-45 equation:


Simplifying
25 = 638x2 + -45

Reorder the terms:
25 = -45 + 638x2

Solving
25 = -45 + 638x2

Solving for variable 'x'.

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

Add '-638x2' to each side of the equation.
25 + -638x2 = -45 + 638x2 + -638x2

Combine like terms: 638x2 + -638x2 = 0
25 + -638x2 = -45 + 0
25 + -638x2 = -45

Add '-25' to each side of the equation.
25 + -25 + -638x2 = -45 + -25

Combine like terms: 25 + -25 = 0
0 + -638x2 = -45 + -25
-638x2 = -45 + -25

Combine like terms: -45 + -25 = -70
-638x2 = -70

Divide each side by '-638'.
x2 = 0.1097178683

Simplifying
x2 = 0.1097178683

Take the square root of each side:
x = {-0.331236876, 0.331236876}

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