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Simplifying 7x2 + 12x + -1x2 + -40x = 0 Reorder the terms: 12x + -40x + 7x2 + -1x2 = 0 Combine like terms: 12x + -40x = -28x -28x + 7x2 + -1x2 = 0 Combine like terms: 7x2 + -1x2 = 6x2 -28x + 6x2 = 0 Solving -28x + 6x2 = 0 Solving for variable 'x'. Factor out the Greatest Common Factor (GCF), '2x'. 2x(-14 + 3x) = 0 Ignore the factor 2.Subproblem 1
Set the factor 'x' equal to zero and attempt to solve: Simplifying x = 0 Solving x = 0 Move all terms containing x to the left, all other terms to the right. Simplifying x = 0Subproblem 2
Set the factor '(-14 + 3x)' equal to zero and attempt to solve: Simplifying -14 + 3x = 0 Solving -14 + 3x = 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 + 3x = 0 + 14 Combine like terms: -14 + 14 = 0 0 + 3x = 0 + 14 3x = 0 + 14 Combine like terms: 0 + 14 = 14 3x = 14 Divide each side by '3'. x = 4.666666667 Simplifying x = 4.666666667Solution
x = {0, 4.666666667}
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