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Simplifying
(5) = 4x2 + -5
5 = 4x2 + -5
Reorder the terms:
5 = -5 + 4x2
Solving
5 = -5 + 4x2
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-4x2' to each side of the equation.
5 + -4x2 = -5 + 4x2 + -4x2
Combine like terms: 4x2 + -4x2 = 0
5 + -4x2 = -5 + 0
5 + -4x2 = -5
Add '-5' to each side of the equation.
5 + -5 + -4x2 = -5 + -5
Combine like terms: 5 + -5 = 0
0 + -4x2 = -5 + -5
-4x2 = -5 + -5
Combine like terms: -5 + -5 = -10
-4x2 = -10
Divide each side by '-4'.
x2 = 2.5
Simplifying
x2 = 2.5
Take the square root of each side:
x = {-1.58113883, 1.58113883}
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