7p^2=-8p-1

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Solution for 7p^2=-8p-1 equation:


Simplifying
7p2 = -8p + -1

Reorder the terms:
7p2 = -1 + -8p

Solving
7p2 = -1 + -8p

Solving for variable 'p'.

Reorder the terms:
1 + 8p + 7p2 = -1 + -8p + 1 + 8p

Reorder the terms:
1 + 8p + 7p2 = -1 + 1 + -8p + 8p

Combine like terms: -1 + 1 = 0
1 + 8p + 7p2 = 0 + -8p + 8p
1 + 8p + 7p2 = -8p + 8p

Combine like terms: -8p + 8p = 0
1 + 8p + 7p2 = 0

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

Subproblem 1

Set the factor '(1 + p)' equal to zero and attempt to solve: Simplifying 1 + p = 0 Solving 1 + p = 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 + p = 0 + -1 Combine like terms: 1 + -1 = 0 0 + p = 0 + -1 p = 0 + -1 Combine like terms: 0 + -1 = -1 p = -1 Simplifying p = -1

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 = {-1, -0.1428571429}

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