15(10p-7)13p=58

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Solution for 15(10p-7)13p=58 equation:


Simplifying
15(10p + -7) * 13p = 58

Reorder the terms:
15(-7 + 10p) * 13p = 58

Reorder the terms for easier multiplication:
15 * 13p(-7 + 10p) = 58

Multiply 15 * 13
195p(-7 + 10p) = 58
(-7 * 195p + 10p * 195p) = 58
(-1365p + 1950p2) = 58

Solving
-1365p + 1950p2 = 58

Solving for variable 'p'.

Reorder the terms:
-58 + -1365p + 1950p2 = 58 + -58

Combine like terms: 58 + -58 = 0
-58 + -1365p + 1950p2 = 0

Begin completing the square.  Divide all terms by
1950 the coefficient of the squared term: 

Divide each side by '1950'.
-0.02974358974 + -0.7p + p2 = 0.0

Move the constant term to the right:

Add '0.02974358974' to each side of the equation.
-0.02974358974 + -0.7p + 0.02974358974 + p2 = 0.0 + 0.02974358974

Reorder the terms:
-0.02974358974 + 0.02974358974 + -0.7p + p2 = 0.0 + 0.02974358974

Combine like terms: -0.02974358974 + 0.02974358974 = 0.00000000000
0.00000000000 + -0.7p + p2 = 0.0 + 0.02974358974
-0.7p + p2 = 0.0 + 0.02974358974

Combine like terms: 0.0 + 0.02974358974 = 0.02974358974
-0.7p + p2 = 0.02974358974

The p term is -0.7p.  Take half its coefficient (-0.35).
Square it (0.1225) and add it to both sides.

Add '0.1225' to each side of the equation.
-0.7p + 0.1225 + p2 = 0.02974358974 + 0.1225

Reorder the terms:
0.1225 + -0.7p + p2 = 0.02974358974 + 0.1225

Combine like terms: 0.02974358974 + 0.1225 = 0.15224358974
0.1225 + -0.7p + p2 = 0.15224358974

Factor a perfect square on the left side:
(p + -0.35)(p + -0.35) = 0.15224358974

Calculate the square root of the right side: 0.390184046

Break this problem into two subproblems by setting 
(p + -0.35) equal to 0.390184046 and -0.390184046.

Subproblem 1

p + -0.35 = 0.390184046 Simplifying p + -0.35 = 0.390184046 Reorder the terms: -0.35 + p = 0.390184046 Solving -0.35 + p = 0.390184046 Solving for variable 'p'. Move all terms containing p to the left, all other terms to the right. Add '0.35' to each side of the equation. -0.35 + 0.35 + p = 0.390184046 + 0.35 Combine like terms: -0.35 + 0.35 = 0.00 0.00 + p = 0.390184046 + 0.35 p = 0.390184046 + 0.35 Combine like terms: 0.390184046 + 0.35 = 0.740184046 p = 0.740184046 Simplifying p = 0.740184046

Subproblem 2

p + -0.35 = -0.390184046 Simplifying p + -0.35 = -0.390184046 Reorder the terms: -0.35 + p = -0.390184046 Solving -0.35 + p = -0.390184046 Solving for variable 'p'. Move all terms containing p to the left, all other terms to the right. Add '0.35' to each side of the equation. -0.35 + 0.35 + p = -0.390184046 + 0.35 Combine like terms: -0.35 + 0.35 = 0.00 0.00 + p = -0.390184046 + 0.35 p = -0.390184046 + 0.35 Combine like terms: -0.390184046 + 0.35 = -0.040184046 p = -0.040184046 Simplifying p = -0.040184046

Solution

The solution to the problem is based on the solutions from the subproblems. p = {0.740184046, -0.040184046}

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