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Simplifying
4x2 + 13 + 12 = 49
Reorder the terms:
13 + 12 + 4x2 = 49
Combine like terms: 13 + 12 = 25
25 + 4x2 = 49
Solving
25 + 4x2 = 49
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-25' to each side of the equation.
25 + -25 + 4x2 = 49 + -25
Combine like terms: 25 + -25 = 0
0 + 4x2 = 49 + -25
4x2 = 49 + -25
Combine like terms: 49 + -25 = 24
4x2 = 24
Divide each side by '4'.
x2 = 6
Simplifying
x2 = 6
Take the square root of each side:
x = {-2.449489743, 2.449489743}
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