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Simplifying
42x2 + 18x2 = 841
Combine like terms: 42x2 + 18x2 = 60x2
60x2 = 841
Solving
60x2 = 841
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Divide each side by '60'.
x2 = 14.01666667
Simplifying
x2 = 14.01666667
Take the square root of each side:
x = {-3.743883902, 3.743883902}
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