0=84-28p^2-184p

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Solution for 0=84-28p^2-184p equation:


Simplifying
0 = 84 + -28p2 + -184p

Reorder the terms:
0 = 84 + -184p + -28p2

Solving
0 = 84 + -184p + -28p2

Solving for variable 'p'.

Combine like terms: 0 + -84 = -84
-84 + 184p + 28p2 = 84 + -184p + -28p2 + -84 + 184p + 28p2

Reorder the terms:
-84 + 184p + 28p2 = 84 + -84 + -184p + 184p + -28p2 + 28p2

Combine like terms: 84 + -84 = 0
-84 + 184p + 28p2 = 0 + -184p + 184p + -28p2 + 28p2
-84 + 184p + 28p2 = -184p + 184p + -28p2 + 28p2

Combine like terms: -184p + 184p = 0
-84 + 184p + 28p2 = 0 + -28p2 + 28p2
-84 + 184p + 28p2 = -28p2 + 28p2

Combine like terms: -28p2 + 28p2 = 0
-84 + 184p + 28p2 = 0

Factor out the Greatest Common Factor (GCF), '4'.
4(-21 + 46p + 7p2) = 0

Factor a trinomial.
4((-7 + -1p)(3 + -7p)) = 0

Ignore the factor 4.

Subproblem 1

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

Subproblem 2

Set the factor '(3 + -7p)' equal to zero and attempt to solve: Simplifying 3 + -7p = 0 Solving 3 + -7p = 0 Move all terms containing p to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + -7p = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -7p = 0 + -3 -7p = 0 + -3 Combine like terms: 0 + -3 = -3 -7p = -3 Divide each side by '-7'. p = 0.4285714286 Simplifying p = 0.4285714286

Solution

p = {-7, 0.4285714286}

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