(3x^2)+(4x^2)=100

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Solution for (3x^2)+(4x^2)=100 equation: 


Simplifying
(3x2) + (4x2) = 100

Combine like terms: (3x2) + (4x2) = 7x2
7x2 = 100

Solving
7x2 = 100

Solving for variable 'x'.

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

Divide each side by '7'.
x2 = 14.28571429

Simplifying
x2 = 14.28571429

Take the square root of each side:
x = {-3.779644731, 3.779644731}

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