-2X^2+14X+196=0

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Solution for -2X^2+14X+196=0 equation:


Simplifying
-2X2 + 14X + 196 = 0

Reorder the terms:
196 + 14X + -2X2 = 0

Solving
196 + 14X + -2X2 = 0

Solving for variable 'X'.

Factor out the Greatest Common Factor (GCF), '2'.
2(98 + 7X + -1X2) = 0

Factor a trinomial.
2((14 + -1X)(7 + X)) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(14 + -1X)' equal to zero and attempt to solve: Simplifying 14 + -1X = 0 Solving 14 + -1X = 0 Move all terms containing X to the left, all other terms to the right. Add '-14' to each side of the equation. 14 + -14 + -1X = 0 + -14 Combine like terms: 14 + -14 = 0 0 + -1X = 0 + -14 -1X = 0 + -14 Combine like terms: 0 + -14 = -14 -1X = -14 Divide each side by '-1'. X = 14 Simplifying X = 14

Subproblem 2

Set the factor '(7 + X)' equal to zero and attempt to solve: Simplifying 7 + X = 0 Solving 7 + X = 0 Move all terms containing X to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + X = 0 + -7 Combine like terms: 7 + -7 = 0 0 + X = 0 + -7 X = 0 + -7 Combine like terms: 0 + -7 = -7 X = -7 Simplifying X = -7

Solution

X = {14, -7}

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