(7a+8)(7a+8)=

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Solution for (7a+8)(7a+8)= equation:


Simplifying
(7a + 8)(7a + 8) = 0

Reorder the terms:
(8 + 7a)(7a + 8) = 0

Reorder the terms:
(8 + 7a)(8 + 7a) = 0

Multiply (8 + 7a) * (8 + 7a)
(8(8 + 7a) + 7a * (8 + 7a)) = 0
((8 * 8 + 7a * 8) + 7a * (8 + 7a)) = 0
((64 + 56a) + 7a * (8 + 7a)) = 0
(64 + 56a + (8 * 7a + 7a * 7a)) = 0
(64 + 56a + (56a + 49a2)) = 0

Combine like terms: 56a + 56a = 112a
(64 + 112a + 49a2) = 0

Solving
64 + 112a + 49a2 = 0

Solving for variable 'a'.

Factor a trinomial.
(8 + 7a)(8 + 7a) = 0

Subproblem 1

Set the factor '(8 + 7a)' equal to zero and attempt to solve: Simplifying 8 + 7a = 0 Solving 8 + 7a = 0 Move all terms containing a to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + 7a = 0 + -8 Combine like terms: 8 + -8 = 0 0 + 7a = 0 + -8 7a = 0 + -8 Combine like terms: 0 + -8 = -8 7a = -8 Divide each side by '7'. a = -1.142857143 Simplifying a = -1.142857143

Subproblem 2

Set the factor '(8 + 7a)' equal to zero and attempt to solve: Simplifying 8 + 7a = 0 Solving 8 + 7a = 0 Move all terms containing a to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + 7a = 0 + -8 Combine like terms: 8 + -8 = 0 0 + 7a = 0 + -8 7a = 0 + -8 Combine like terms: 0 + -8 = -8 7a = -8 Divide each side by '7'. a = -1.142857143 Simplifying a = -1.142857143

Solution

a = {-1.142857143, -1.142857143}

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