4a(a+63)=4a-63

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Solution for 4a(a+63)=4a-63 equation:


Simplifying
4a(a + 63) = 4a + -63

Reorder the terms:
4a(63 + a) = 4a + -63
(63 * 4a + a * 4a) = 4a + -63
(252a + 4a2) = 4a + -63

Reorder the terms:
252a + 4a2 = -63 + 4a

Solving
252a + 4a2 = -63 + 4a

Solving for variable 'a'.

Reorder the terms:
63 + 252a + -4a + 4a2 = -63 + 4a + 63 + -4a

Combine like terms: 252a + -4a = 248a
63 + 248a + 4a2 = -63 + 4a + 63 + -4a

Reorder the terms:
63 + 248a + 4a2 = -63 + 63 + 4a + -4a

Combine like terms: -63 + 63 = 0
63 + 248a + 4a2 = 0 + 4a + -4a
63 + 248a + 4a2 = 4a + -4a

Combine like terms: 4a + -4a = 0
63 + 248a + 4a2 = 0

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

Divide each side by '4'.
15.75 + 62a + a2 = 0

Move the constant term to the right:

Add '-15.75' to each side of the equation.
15.75 + 62a + -15.75 + a2 = 0 + -15.75

Reorder the terms:
15.75 + -15.75 + 62a + a2 = 0 + -15.75

Combine like terms: 15.75 + -15.75 = 0.00
0.00 + 62a + a2 = 0 + -15.75
62a + a2 = 0 + -15.75

Combine like terms: 0 + -15.75 = -15.75
62a + a2 = -15.75

The a term is 62a.  Take half its coefficient (31).
Square it (961) and add it to both sides.

Add '961' to each side of the equation.
62a + 961 + a2 = -15.75 + 961

Reorder the terms:
961 + 62a + a2 = -15.75 + 961

Combine like terms: -15.75 + 961 = 945.25
961 + 62a + a2 = 945.25

Factor a perfect square on the left side:
(a + 31)(a + 31) = 945.25

Calculate the square root of the right side: 30.744918279

Break this problem into two subproblems by setting 
(a + 31) equal to 30.744918279 and -30.744918279.

Subproblem 1

a + 31 = 30.744918279 Simplifying a + 31 = 30.744918279 Reorder the terms: 31 + a = 30.744918279 Solving 31 + a = 30.744918279 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '-31' to each side of the equation. 31 + -31 + a = 30.744918279 + -31 Combine like terms: 31 + -31 = 0 0 + a = 30.744918279 + -31 a = 30.744918279 + -31 Combine like terms: 30.744918279 + -31 = -0.255081721 a = -0.255081721 Simplifying a = -0.255081721

Subproblem 2

a + 31 = -30.744918279 Simplifying a + 31 = -30.744918279 Reorder the terms: 31 + a = -30.744918279 Solving 31 + a = -30.744918279 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '-31' to each side of the equation. 31 + -31 + a = -30.744918279 + -31 Combine like terms: 31 + -31 = 0 0 + a = -30.744918279 + -31 a = -30.744918279 + -31 Combine like terms: -30.744918279 + -31 = -61.744918279 a = -61.744918279 Simplifying a = -61.744918279

Solution

The solution to the problem is based on the solutions from the subproblems. a = {-0.255081721, -61.744918279}

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