4(5-x)=2(10-x^2)

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Solution for 4(5-x)=2(10-x^2) equation:


Simplifying
4(5 + -1x) = 2(10 + -1x2)
(5 * 4 + -1x * 4) = 2(10 + -1x2)
(20 + -4x) = 2(10 + -1x2)
20 + -4x = (10 * 2 + -1x2 * 2)
20 + -4x = (20 + -2x2)

Add '-20' to each side of the equation.
20 + -20 + -4x = 20 + -20 + -2x2

Combine like terms: 20 + -20 = 0
0 + -4x = 20 + -20 + -2x2
-4x = 20 + -20 + -2x2

Combine like terms: 20 + -20 = 0
-4x = 0 + -2x2
-4x = -2x2

Solving
-4x = -2x2

Solving for variable 'x'.

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

Factor out the Greatest Common Factor (GCF), '2x'.
2x(-2 + x) = 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 = 0

Subproblem 2

Set the factor '(-2 + x)' equal to zero and attempt to solve: Simplifying -2 + x = 0 Solving -2 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + x = 0 + 2 Combine like terms: -2 + 2 = 0 0 + x = 0 + 2 x = 0 + 2 Combine like terms: 0 + 2 = 2 x = 2 Simplifying x = 2

Solution

x = {0, 2}

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