40p^2=28-36p

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Solution for 40p^2=28-36p equation:


Simplifying
40p2 = 28 + -36p

Solving
40p2 = 28 + -36p

Solving for variable 'p'.

Reorder the terms:
-28 + 36p + 40p2 = 28 + -36p + -28 + 36p

Reorder the terms:
-28 + 36p + 40p2 = 28 + -28 + -36p + 36p

Combine like terms: 28 + -28 = 0
-28 + 36p + 40p2 = 0 + -36p + 36p
-28 + 36p + 40p2 = -36p + 36p

Combine like terms: -36p + 36p = 0
-28 + 36p + 40p2 = 0

Factor out the Greatest Common Factor (GCF), '4'.
4(-7 + 9p + 10p2) = 0

Factor a trinomial.
4((-7 + -5p)(1 + -2p)) = 0

Ignore the factor 4.

Subproblem 1

Set the factor '(-7 + -5p)' equal to zero and attempt to solve: Simplifying -7 + -5p = 0 Solving -7 + -5p = 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 + -5p = 0 + 7 Combine like terms: -7 + 7 = 0 0 + -5p = 0 + 7 -5p = 0 + 7 Combine like terms: 0 + 7 = 7 -5p = 7 Divide each side by '-5'. p = -1.4 Simplifying p = -1.4

Subproblem 2

Set the factor '(1 + -2p)' equal to zero and attempt to solve: Simplifying 1 + -2p = 0 Solving 1 + -2p = 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 + -2p = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -2p = 0 + -1 -2p = 0 + -1 Combine like terms: 0 + -1 = -1 -2p = -1 Divide each side by '-2'. p = 0.5 Simplifying p = 0.5

Solution

p = {-1.4, 0.5}

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