=2x+3x+4x^2

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Solution for =2x+3x+4x^2 equation:


Simplifying
0 = 2x + 3x + 4x2

Combine like terms: 2x + 3x = 5x
0 = 5x + 4x2

Solving
0 = 5x + 4x2

Solving for variable 'x'.
Remove the zero:
-5x + -4x2 = 5x + 4x2 + -5x + -4x2

Reorder the terms:
-5x + -4x2 = 5x + -5x + 4x2 + -4x2

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

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

Factor out the Greatest Common Factor (GCF), '-1x'.
-1x(5 + 4x) = 0

Ignore the factor -1.

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 + 4x)' equal to zero and attempt to solve: Simplifying 5 + 4x = 0 Solving 5 + 4x = 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 + 4x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + 4x = 0 + -5 4x = 0 + -5 Combine like terms: 0 + -5 = -5 4x = -5 Divide each side by '4'. x = -1.25 Simplifying x = -1.25

Solution

x = {0, -1.25}

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