(p+2)(p+2)=p^2+20

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Solution for (p+2)(p+2)=p^2+20 equation:


Simplifying
(p + 2)(p + 2) = p2 + 20

Reorder the terms:
(2 + p)(p + 2) = p2 + 20

Reorder the terms:
(2 + p)(2 + p) = p2 + 20

Multiply (2 + p) * (2 + p)
(2(2 + p) + p(2 + p)) = p2 + 20
((2 * 2 + p * 2) + p(2 + p)) = p2 + 20
((4 + 2p) + p(2 + p)) = p2 + 20
(4 + 2p + (2 * p + p * p)) = p2 + 20
(4 + 2p + (2p + p2)) = p2 + 20

Combine like terms: 2p + 2p = 4p
(4 + 4p + p2) = p2 + 20

Reorder the terms:
4 + 4p + p2 = 20 + p2

Add '-1p2' to each side of the equation.
4 + 4p + p2 + -1p2 = 20 + p2 + -1p2

Combine like terms: p2 + -1p2 = 0
4 + 4p + 0 = 20 + p2 + -1p2
4 + 4p = 20 + p2 + -1p2

Combine like terms: p2 + -1p2 = 0
4 + 4p = 20 + 0
4 + 4p = 20

Solving
4 + 4p = 20

Solving for variable 'p'.

Move all terms containing p to the left, all other terms to the right.

Add '-4' to each side of the equation.
4 + -4 + 4p = 20 + -4

Combine like terms: 4 + -4 = 0
0 + 4p = 20 + -4
4p = 20 + -4

Combine like terms: 20 + -4 = 16
4p = 16

Divide each side by '4'.
p = 4

Simplifying
p = 4

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