x=-5x^2+8x

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Solution for x=-5x^2+8x equation:


Simplifying
x = -5x2 + 8x

Reorder the terms:
x = 8x + -5x2

Solving
x = 8x + -5x2

Solving for variable 'x'.

Combine like terms: x + -8x = -7x
-7x + 5x2 = 8x + -5x2 + -8x + 5x2

Reorder the terms:
-7x + 5x2 = 8x + -8x + -5x2 + 5x2

Combine like terms: 8x + -8x = 0
-7x + 5x2 = 0 + -5x2 + 5x2
-7x + 5x2 = -5x2 + 5x2

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

Factor out the Greatest Common Factor (GCF), 'x'.
x(-7 + 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 '(-7 + 5x)' equal to zero and attempt to solve: Simplifying -7 + 5x = 0 Solving -7 + 5x = 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 + 5x = 0 + 7 Combine like terms: -7 + 7 = 0 0 + 5x = 0 + 7 5x = 0 + 7 Combine like terms: 0 + 7 = 7 5x = 7 Divide each side by '5'. x = 1.4 Simplifying x = 1.4

Solution

x = {0, 1.4}

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