(p-7)(5p+9)=0

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Solution for (p-7)(5p+9)=0 equation:


Simplifying
(p + -7)(5p + 9) = 0

Reorder the terms:
(-7 + p)(5p + 9) = 0

Reorder the terms:
(-7 + p)(9 + 5p) = 0

Multiply (-7 + p) * (9 + 5p)
(-7(9 + 5p) + p(9 + 5p)) = 0
((9 * -7 + 5p * -7) + p(9 + 5p)) = 0
((-63 + -35p) + p(9 + 5p)) = 0
(-63 + -35p + (9 * p + 5p * p)) = 0
(-63 + -35p + (9p + 5p2)) = 0

Combine like terms: -35p + 9p = -26p
(-63 + -26p + 5p2) = 0

Solving
-63 + -26p + 5p2 = 0

Solving for variable 'p'.

Factor a trinomial.
(-9 + -5p)(7 + -1p) = 0

Subproblem 1

Set the factor '(-9 + -5p)' equal to zero and attempt to solve: Simplifying -9 + -5p = 0 Solving -9 + -5p = 0 Move all terms containing p to the left, all other terms to the right. Add '9' to each side of the equation. -9 + 9 + -5p = 0 + 9 Combine like terms: -9 + 9 = 0 0 + -5p = 0 + 9 -5p = 0 + 9 Combine like terms: 0 + 9 = 9 -5p = 9 Divide each side by '-5'. p = -1.8 Simplifying p = -1.8

Subproblem 2

Set the factor '(7 + -1p)' equal to zero and attempt to solve: Simplifying 7 + -1p = 0 Solving 7 + -1p = 0 Move all terms containing p to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + -1p = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -1p = 0 + -7 -1p = 0 + -7 Combine like terms: 0 + -7 = -7 -1p = -7 Divide each side by '-1'. p = 7 Simplifying p = 7

Solution

p = {-1.8, 7}

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