(2p-3)(4p+7)=

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Solution for (2p-3)(4p+7)= equation:


Simplifying
(2p + -3)(4p + 7) = 0

Reorder the terms:
(-3 + 2p)(4p + 7) = 0

Reorder the terms:
(-3 + 2p)(7 + 4p) = 0

Multiply (-3 + 2p) * (7 + 4p)
(-3(7 + 4p) + 2p * (7 + 4p)) = 0
((7 * -3 + 4p * -3) + 2p * (7 + 4p)) = 0
((-21 + -12p) + 2p * (7 + 4p)) = 0
(-21 + -12p + (7 * 2p + 4p * 2p)) = 0
(-21 + -12p + (14p + 8p2)) = 0

Combine like terms: -12p + 14p = 2p
(-21 + 2p + 8p2) = 0

Solving
-21 + 2p + 8p2 = 0

Solving for variable 'p'.

Factor a trinomial.
(-7 + -4p)(3 + -2p) = 0

Subproblem 1

Set the factor '(-7 + -4p)' equal to zero and attempt to solve: Simplifying -7 + -4p = 0 Solving -7 + -4p = 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 + -4p = 0 + 7 Combine like terms: -7 + 7 = 0 0 + -4p = 0 + 7 -4p = 0 + 7 Combine like terms: 0 + 7 = 7 -4p = 7 Divide each side by '-4'. p = -1.75 Simplifying p = -1.75

Subproblem 2

Set the factor '(3 + -2p)' equal to zero and attempt to solve: Simplifying 3 + -2p = 0 Solving 3 + -2p = 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 + -2p = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -2p = 0 + -3 -2p = 0 + -3 Combine like terms: 0 + -3 = -3 -2p = -3 Divide each side by '-2'. p = 1.5 Simplifying p = 1.5

Solution

p = {-1.75, 1.5}

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