16x^2+9x^2=42.25

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Solution for 16x^2+9x^2=42.25 equation: 


Simplifying
16x2 + 9x2 = 42.25

Combine like terms: 16x2 + 9x2 = 25x2
25x2 = 42.25

Solving
25x2 = 42.25

Solving for variable 'x'.

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

Divide each side by '25'.
x2 = 1.69

Simplifying
x2 = 1.69

Take the square root of each side:
x = {-1.3, 1.3}

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