-.5*32x^2+20x+3=9

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Solution for -.5*32x^2+20x+3=9 equation:


Simplifying
-0.5 * 32x2 + 20x + 3 = 9

Multiply -0.5 * 32
-16x2 + 20x + 3 = 9

Reorder the terms:
3 + 20x + -16x2 = 9

Solving
3 + 20x + -16x2 = 9

Solving for variable 'x'.

Reorder the terms:
3 + -9 + 20x + -16x2 = 9 + -9

Combine like terms: 3 + -9 = -6
-6 + 20x + -16x2 = 9 + -9

Combine like terms: 9 + -9 = 0
-6 + 20x + -16x2 = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(-3 + 10x + -8x2) = 0

Factor a trinomial.
2((-3 + 4x)(1 + -2x)) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(-3 + 4x)' equal to zero and attempt to solve: Simplifying -3 + 4x = 0 Solving -3 + 4x = 0 Move all terms containing x to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + 4x = 0 + 3 Combine like terms: -3 + 3 = 0 0 + 4x = 0 + 3 4x = 0 + 3 Combine like terms: 0 + 3 = 3 4x = 3 Divide each side by '4'. x = 0.75 Simplifying x = 0.75

Subproblem 2

Set the factor '(1 + -2x)' equal to zero and attempt to solve: Simplifying 1 + -2x = 0 Solving 1 + -2x = 0 Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + -2x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -2x = 0 + -1 -2x = 0 + -1 Combine like terms: 0 + -1 = -1 -2x = -1 Divide each side by '-2'. x = 0.5 Simplifying x = 0.5

Solution

x = {0.75, 0.5}

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