0=p^2-3p-4

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Solution for 0=p^2-3p-4 equation:


Simplifying
0 = p2 + -3p + -4

Reorder the terms:
0 = -4 + -3p + p2

Solving
0 = -4 + -3p + p2

Solving for variable 'p'.

Combine like terms: 0 + 4 = 4
4 + 3p + -1p2 = -4 + -3p + p2 + 4 + 3p + -1p2

Reorder the terms:
4 + 3p + -1p2 = -4 + 4 + -3p + 3p + p2 + -1p2

Combine like terms: -4 + 4 = 0
4 + 3p + -1p2 = 0 + -3p + 3p + p2 + -1p2
4 + 3p + -1p2 = -3p + 3p + p2 + -1p2

Combine like terms: -3p + 3p = 0
4 + 3p + -1p2 = 0 + p2 + -1p2
4 + 3p + -1p2 = p2 + -1p2

Combine like terms: p2 + -1p2 = 0
4 + 3p + -1p2 = 0

Factor a trinomial.
(4 + -1p)(1 + p) = 0

Subproblem 1

Set the factor '(4 + -1p)' equal to zero and attempt to solve: Simplifying 4 + -1p = 0 Solving 4 + -1p = 0 Move all terms containing p to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + -1p = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -1p = 0 + -4 -1p = 0 + -4 Combine like terms: 0 + -4 = -4 -1p = -4 Divide each side by '-1'. p = 4 Simplifying p = 4

Subproblem 2

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

Solution

p = {4, -1}

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