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Simplifying -15x(-15x) + -21x = 0 Remove parenthesis around (-15x) -15x * -15x + -21x = 0 Reorder the terms for easier multiplication: -15 * -15x * x + -21x = 0 Multiply -15 * -15 225x * x + -21x = 0 Multiply x * x 225x2 + -21x = 0 Reorder the terms: -21x + 225x2 = 0 Solving -21x + 225x2 = 0 Solving for variable 'x'. Factor out the Greatest Common Factor (GCF), '3x'. 3x(-7 + 75x) = 0 Ignore the factor 3.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 = 0Subproblem 2
Set the factor '(-7 + 75x)' equal to zero and attempt to solve: Simplifying -7 + 75x = 0 Solving -7 + 75x = 0 Move all terms containing x to the left, all other terms to the right. Add '7' to each side of the equation. -7 + 7 + 75x = 0 + 7 Combine like terms: -7 + 7 = 0 0 + 75x = 0 + 7 75x = 0 + 7 Combine like terms: 0 + 7 = 7 75x = 7 Divide each side by '75'. x = 0.09333333333 Simplifying x = 0.09333333333Solution
x = {0, 0.09333333333}
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