2(8a-7)(a-5)=0

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Solution for 2(8a-7)(a-5)=0 equation:


Simplifying
2(8a + -7)(a + -5) = 0

Reorder the terms:
2(-7 + 8a)(a + -5) = 0

Reorder the terms:
2(-7 + 8a)(-5 + a) = 0

Multiply (-7 + 8a) * (-5 + a)
2(-7(-5 + a) + 8a * (-5 + a)) = 0
2((-5 * -7 + a * -7) + 8a * (-5 + a)) = 0
2((35 + -7a) + 8a * (-5 + a)) = 0
2(35 + -7a + (-5 * 8a + a * 8a)) = 0
2(35 + -7a + (-40a + 8a2)) = 0

Combine like terms: -7a + -40a = -47a
2(35 + -47a + 8a2) = 0
(35 * 2 + -47a * 2 + 8a2 * 2) = 0
(70 + -94a + 16a2) = 0

Solving
70 + -94a + 16a2 = 0

Solving for variable 'a'.

Factor out the Greatest Common Factor (GCF), '2'.
2(35 + -47a + 8a2) = 0

Factor a trinomial.
2((7 + -8a)(5 + -1a)) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(7 + -8a)' equal to zero and attempt to solve: Simplifying 7 + -8a = 0 Solving 7 + -8a = 0 Move all terms containing a to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + -8a = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -8a = 0 + -7 -8a = 0 + -7 Combine like terms: 0 + -7 = -7 -8a = -7 Divide each side by '-8'. a = 0.875 Simplifying a = 0.875

Subproblem 2

Set the factor '(5 + -1a)' equal to zero and attempt to solve: Simplifying 5 + -1a = 0 Solving 5 + -1a = 0 Move all terms containing a to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + -1a = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -1a = 0 + -5 -1a = 0 + -5 Combine like terms: 0 + -5 = -5 -1a = -5 Divide each side by '-1'. a = 5 Simplifying a = 5

Solution

a = {0.875, 5}

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