42x^2=3x^2+25

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Solution for 42x^2=3x^2+25 equation: 


Simplifying
42x2 = 3x2 + 25

Reorder the terms:
42x2 = 25 + 3x2

Solving
42x2 = 25 + 3x2

Solving for variable 'x'.

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

Add '-3x2' to each side of the equation.
42x2 + -3x2 = 25 + 3x2 + -3x2

Combine like terms: 42x2 + -3x2 = 39x2
39x2 = 25 + 3x2 + -3x2

Combine like terms: 3x2 + -3x2 = 0
39x2 = 25 + 0
39x2 = 25

Divide each side by '39'.
x2 = 0.641025641

Simplifying
x2 = 0.641025641

Take the square root of each side:
x = {-0.800640769, 0.800640769}

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