5p^2-25=4p+24

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Solution for 5p^2-25=4p+24 equation:


Simplifying
5p2 + -25 = 4p + 24

Reorder the terms:
-25 + 5p2 = 4p + 24

Reorder the terms:
-25 + 5p2 = 24 + 4p

Solving
-25 + 5p2 = 24 + 4p

Solving for variable 'p'.

Reorder the terms:
-25 + -24 + -4p + 5p2 = 24 + 4p + -24 + -4p

Combine like terms: -25 + -24 = -49
-49 + -4p + 5p2 = 24 + 4p + -24 + -4p

Reorder the terms:
-49 + -4p + 5p2 = 24 + -24 + 4p + -4p

Combine like terms: 24 + -24 = 0
-49 + -4p + 5p2 = 0 + 4p + -4p
-49 + -4p + 5p2 = 4p + -4p

Combine like terms: 4p + -4p = 0
-49 + -4p + 5p2 = 0

Begin completing the square.  Divide all terms by
5 the coefficient of the squared term: 

Divide each side by '5'.
-9.8 + -0.8p + p2 = 0

Move the constant term to the right:

Add '9.8' to each side of the equation.
-9.8 + -0.8p + 9.8 + p2 = 0 + 9.8

Reorder the terms:
-9.8 + 9.8 + -0.8p + p2 = 0 + 9.8

Combine like terms: -9.8 + 9.8 = 0.0
0.0 + -0.8p + p2 = 0 + 9.8
-0.8p + p2 = 0 + 9.8

Combine like terms: 0 + 9.8 = 9.8
-0.8p + p2 = 9.8

The p term is -0.8p.  Take half its coefficient (-0.4).
Square it (0.16) and add it to both sides.

Add '0.16' to each side of the equation.
-0.8p + 0.16 + p2 = 9.8 + 0.16

Reorder the terms:
0.16 + -0.8p + p2 = 9.8 + 0.16

Combine like terms: 9.8 + 0.16 = 9.96
0.16 + -0.8p + p2 = 9.96

Factor a perfect square on the left side:
(p + -0.4)(p + -0.4) = 9.96

Calculate the square root of the right side: 3.155946768

Break this problem into two subproblems by setting 
(p + -0.4) equal to 3.155946768 and -3.155946768.

Subproblem 1

p + -0.4 = 3.155946768 Simplifying p + -0.4 = 3.155946768 Reorder the terms: -0.4 + p = 3.155946768 Solving -0.4 + p = 3.155946768 Solving for variable 'p'. Move all terms containing p to the left, all other terms to the right. Add '0.4' to each side of the equation. -0.4 + 0.4 + p = 3.155946768 + 0.4 Combine like terms: -0.4 + 0.4 = 0.0 0.0 + p = 3.155946768 + 0.4 p = 3.155946768 + 0.4 Combine like terms: 3.155946768 + 0.4 = 3.555946768 p = 3.555946768 Simplifying p = 3.555946768

Subproblem 2

p + -0.4 = -3.155946768 Simplifying p + -0.4 = -3.155946768 Reorder the terms: -0.4 + p = -3.155946768 Solving -0.4 + p = -3.155946768 Solving for variable 'p'. Move all terms containing p to the left, all other terms to the right. Add '0.4' to each side of the equation. -0.4 + 0.4 + p = -3.155946768 + 0.4 Combine like terms: -0.4 + 0.4 = 0.0 0.0 + p = -3.155946768 + 0.4 p = -3.155946768 + 0.4 Combine like terms: -3.155946768 + 0.4 = -2.755946768 p = -2.755946768 Simplifying p = -2.755946768

Solution

The solution to the problem is based on the solutions from the subproblems. p = {3.555946768, -2.755946768}

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