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Simplifying 21p2 + -27p + -30 = 0 Reorder the terms: -30 + -27p + 21p2 = 0 Solving -30 + -27p + 21p2 = 0 Solving for variable 'p'. Factor out the Greatest Common Factor (GCF), '3'. 3(-10 + -9p + 7p2) = 0 Factor a trinomial. 3((-5 + -7p)(2 + -1p)) = 0 Ignore the factor 3.Subproblem 1
Set the factor '(-5 + -7p)' equal to zero and attempt to solve: Simplifying -5 + -7p = 0 Solving -5 + -7p = 0 Move all terms containing p to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + -7p = 0 + 5 Combine like terms: -5 + 5 = 0 0 + -7p = 0 + 5 -7p = 0 + 5 Combine like terms: 0 + 5 = 5 -7p = 5 Divide each side by '-7'. p = -0.7142857143 Simplifying p = -0.7142857143Subproblem 2
Set the factor '(2 + -1p)' equal to zero and attempt to solve: Simplifying 2 + -1p = 0 Solving 2 + -1p = 0 Move all terms containing p to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + -1p = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -1p = 0 + -2 -1p = 0 + -2 Combine like terms: 0 + -2 = -2 -1p = -2 Divide each side by '-1'. p = 2 Simplifying p = 2Solution
p = {-0.7142857143, 2}
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