2x^2+10x+25=-4x^2+25

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Solution for 2x^2+10x+25=-4x^2+25 equation:


Simplifying
2x2 + 10x + 25 = -4x2 + 25

Reorder the terms:
25 + 10x + 2x2 = -4x2 + 25

Reorder the terms:
25 + 10x + 2x2 = 25 + -4x2

Add '-25' to each side of the equation.
25 + 10x + -25 + 2x2 = 25 + -25 + -4x2

Reorder the terms:
25 + -25 + 10x + 2x2 = 25 + -25 + -4x2

Combine like terms: 25 + -25 = 0
0 + 10x + 2x2 = 25 + -25 + -4x2
10x + 2x2 = 25 + -25 + -4x2

Combine like terms: 25 + -25 = 0
10x + 2x2 = 0 + -4x2
10x + 2x2 = -4x2

Solving
10x + 2x2 = -4x2

Solving for variable 'x'.

Combine like terms: 2x2 + 4x2 = 6x2
10x + 6x2 = -4x2 + 4x2

Combine like terms: -4x2 + 4x2 = 0
10x + 6x2 = 0

Factor out the Greatest Common Factor (GCF), '2x'.
2x(5 + 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 = 0

Subproblem 2

Set the factor '(5 + 3x)' equal to zero and attempt to solve: Simplifying 5 + 3x = 0 Solving 5 + 3x = 0 Move all terms containing x to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + 3x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + 3x = 0 + -5 3x = 0 + -5 Combine like terms: 0 + -5 = -5 3x = -5 Divide each side by '3'. x = -1.666666667 Simplifying x = -1.666666667

Solution

x = {0, -1.666666667}

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