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Simplifying
2(x2 + -35) = 0
Reorder the terms:
2(-35 + x2) = 0
(-35 * 2 + x2 * 2) = 0
(-70 + 2x2) = 0
Solving
-70 + 2x2 = 0
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '70' to each side of the equation.
-70 + 70 + 2x2 = 0 + 70
Combine like terms: -70 + 70 = 0
0 + 2x2 = 0 + 70
2x2 = 0 + 70
Combine like terms: 0 + 70 = 70
2x2 = 70
Divide each side by '2'.
x2 = 35
Simplifying
x2 = 35
Take the square root of each side:
x = {-5.916079783, 5.916079783}
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