0=7p^2-55p-8

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Solution for 0=7p^2-55p-8 equation:


Simplifying
0 = 7p2 + -55p + -8

Reorder the terms:
0 = -8 + -55p + 7p2

Solving
0 = -8 + -55p + 7p2

Solving for variable 'p'.

Combine like terms: 0 + 8 = 8
8 + 55p + -7p2 = -8 + -55p + 7p2 + 8 + 55p + -7p2

Reorder the terms:
8 + 55p + -7p2 = -8 + 8 + -55p + 55p + 7p2 + -7p2

Combine like terms: -8 + 8 = 0
8 + 55p + -7p2 = 0 + -55p + 55p + 7p2 + -7p2
8 + 55p + -7p2 = -55p + 55p + 7p2 + -7p2

Combine like terms: -55p + 55p = 0
8 + 55p + -7p2 = 0 + 7p2 + -7p2
8 + 55p + -7p2 = 7p2 + -7p2

Combine like terms: 7p2 + -7p2 = 0
8 + 55p + -7p2 = 0

Factor a trinomial.
(8 + -1p)(1 + 7p) = 0

Subproblem 1

Set the factor '(8 + -1p)' equal to zero and attempt to solve: Simplifying 8 + -1p = 0 Solving 8 + -1p = 0 Move all terms containing p to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + -1p = 0 + -8 Combine like terms: 8 + -8 = 0 0 + -1p = 0 + -8 -1p = 0 + -8 Combine like terms: 0 + -8 = -8 -1p = -8 Divide each side by '-1'. p = 8 Simplifying p = 8

Subproblem 2

Set the factor '(1 + 7p)' equal to zero and attempt to solve: Simplifying 1 + 7p = 0 Solving 1 + 7p = 0 Move all terms containing p to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + 7p = 0 + -1 Combine like terms: 1 + -1 = 0 0 + 7p = 0 + -1 7p = 0 + -1 Combine like terms: 0 + -1 = -1 7p = -1 Divide each side by '7'. p = -0.1428571429 Simplifying p = -0.1428571429

Solution

p = {8, -0.1428571429}

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