5p^2+3=12p

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Solution for 5p^2+3=12p equation:


Simplifying
5p2 + 3 = 12p

Reorder the terms:
3 + 5p2 = 12p

Solving
3 + 5p2 = 12p

Solving for variable 'p'.

Reorder the terms:
3 + -12p + 5p2 = 12p + -12p

Combine like terms: 12p + -12p = 0
3 + -12p + 5p2 = 0

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

Divide each side by '5'.
0.6 + -2.4p + p2 = 0

Move the constant term to the right:

Add '-0.6' to each side of the equation.
0.6 + -2.4p + -0.6 + p2 = 0 + -0.6

Reorder the terms:
0.6 + -0.6 + -2.4p + p2 = 0 + -0.6

Combine like terms: 0.6 + -0.6 = 0.0
0.0 + -2.4p + p2 = 0 + -0.6
-2.4p + p2 = 0 + -0.6

Combine like terms: 0 + -0.6 = -0.6
-2.4p + p2 = -0.6

The p term is -2.4p.  Take half its coefficient (-1.2).
Square it (1.44) and add it to both sides.

Add '1.44' to each side of the equation.
-2.4p + 1.44 + p2 = -0.6 + 1.44

Reorder the terms:
1.44 + -2.4p + p2 = -0.6 + 1.44

Combine like terms: -0.6 + 1.44 = 0.84
1.44 + -2.4p + p2 = 0.84

Factor a perfect square on the left side:
(p + -1.2)(p + -1.2) = 0.84

Calculate the square root of the right side: 0.916515139

Break this problem into two subproblems by setting 
(p + -1.2) equal to 0.916515139 and -0.916515139.

Subproblem 1

p + -1.2 = 0.916515139 Simplifying p + -1.2 = 0.916515139 Reorder the terms: -1.2 + p = 0.916515139 Solving -1.2 + p = 0.916515139 Solving for variable 'p'. Move all terms containing p to the left, all other terms to the right. Add '1.2' to each side of the equation. -1.2 + 1.2 + p = 0.916515139 + 1.2 Combine like terms: -1.2 + 1.2 = 0.0 0.0 + p = 0.916515139 + 1.2 p = 0.916515139 + 1.2 Combine like terms: 0.916515139 + 1.2 = 2.116515139 p = 2.116515139 Simplifying p = 2.116515139

Subproblem 2

p + -1.2 = -0.916515139 Simplifying p + -1.2 = -0.916515139 Reorder the terms: -1.2 + p = -0.916515139 Solving -1.2 + p = -0.916515139 Solving for variable 'p'. Move all terms containing p to the left, all other terms to the right. Add '1.2' to each side of the equation. -1.2 + 1.2 + p = -0.916515139 + 1.2 Combine like terms: -1.2 + 1.2 = 0.0 0.0 + p = -0.916515139 + 1.2 p = -0.916515139 + 1.2 Combine like terms: -0.916515139 + 1.2 = 0.283484861 p = 0.283484861 Simplifying p = 0.283484861

Solution

The solution to the problem is based on the solutions from the subproblems. p = {2.116515139, 0.283484861}

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