5x-(2x^2-4x)+7x^2=

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Solution for 5x-(2x^2-4x)+7x^2= equation:


Simplifying
5x + -1(2x2 + -4x) + 7x2 = 0

Reorder the terms:
5x + -1(-4x + 2x2) + 7x2 = 0
5x + (-4x * -1 + 2x2 * -1) + 7x2 = 0
5x + (4x + -2x2) + 7x2 = 0

Combine like terms: 5x + 4x = 9x
9x + -2x2 + 7x2 = 0

Combine like terms: -2x2 + 7x2 = 5x2
9x + 5x2 = 0

Solving
9x + 5x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), 'x'.
x(9 + 5x) = 0

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 = 0

Subproblem 2

Set the factor '(9 + 5x)' equal to zero and attempt to solve: Simplifying 9 + 5x = 0 Solving 9 + 5x = 0 Move all terms containing x to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + 5x = 0 + -9 Combine like terms: 9 + -9 = 0 0 + 5x = 0 + -9 5x = 0 + -9 Combine like terms: 0 + -9 = -9 5x = -9 Divide each side by '5'. x = -1.8 Simplifying x = -1.8

Solution

x = {0, -1.8}

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