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Simplifying
15x2 + -11 = 1489
Reorder the terms:
-11 + 15x2 = 1489
Solving
-11 + 15x2 = 1489
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '11' to each side of the equation.
-11 + 11 + 15x2 = 1489 + 11
Combine like terms: -11 + 11 = 0
0 + 15x2 = 1489 + 11
15x2 = 1489 + 11
Combine like terms: 1489 + 11 = 1500
15x2 = 1500
Divide each side by '15'.
x2 = 100
Simplifying
x2 = 100
Take the square root of each side:
x = {-10, 10}
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