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Simplifying 28x + 4 = 9x2 + 6x + 4 Reorder the terms: 4 + 28x = 9x2 + 6x + 4 Reorder the terms: 4 + 28x = 4 + 6x + 9x2 Add '-4' to each side of the equation. 4 + -4 + 28x = 4 + 6x + -4 + 9x2 Combine like terms: 4 + -4 = 0 0 + 28x = 4 + 6x + -4 + 9x2 28x = 4 + 6x + -4 + 9x2 Reorder the terms: 28x = 4 + -4 + 6x + 9x2 Combine like terms: 4 + -4 = 0 28x = 0 + 6x + 9x2 28x = 6x + 9x2 Solving 28x = 6x + 9x2 Solving for variable 'x'. Combine like terms: 28x + -6x = 22x 22x + -9x2 = 6x + 9x2 + -6x + -9x2 Reorder the terms: 22x + -9x2 = 6x + -6x + 9x2 + -9x2 Combine like terms: 6x + -6x = 0 22x + -9x2 = 0 + 9x2 + -9x2 22x + -9x2 = 9x2 + -9x2 Combine like terms: 9x2 + -9x2 = 0 22x + -9x2 = 0 Factor out the Greatest Common Factor (GCF), 'x'. x(22 + -9x) = 0Subproblem 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 = 0Subproblem 2
Set the factor '(22 + -9x)' equal to zero and attempt to solve: Simplifying 22 + -9x = 0 Solving 22 + -9x = 0 Move all terms containing x to the left, all other terms to the right. Add '-22' to each side of the equation. 22 + -22 + -9x = 0 + -22 Combine like terms: 22 + -22 = 0 0 + -9x = 0 + -22 -9x = 0 + -22 Combine like terms: 0 + -22 = -22 -9x = -22 Divide each side by '-9'. x = 2.444444444 Simplifying x = 2.444444444Solution
x = {0, 2.444444444}
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