7a^2=32a-16

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Solution for 7a^2=32a-16 equation:


Simplifying
7a2 = 32a + -16

Reorder the terms:
7a2 = -16 + 32a

Solving
7a2 = -16 + 32a

Solving for variable 'a'.

Reorder the terms:
16 + -32a + 7a2 = -16 + 32a + 16 + -32a

Reorder the terms:
16 + -32a + 7a2 = -16 + 16 + 32a + -32a

Combine like terms: -16 + 16 = 0
16 + -32a + 7a2 = 0 + 32a + -32a
16 + -32a + 7a2 = 32a + -32a

Combine like terms: 32a + -32a = 0
16 + -32a + 7a2 = 0

Factor a trinomial.
(4 + -7a)(4 + -1a) = 0

Subproblem 1

Set the factor '(4 + -7a)' equal to zero and attempt to solve: Simplifying 4 + -7a = 0 Solving 4 + -7a = 0 Move all terms containing a to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + -7a = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -7a = 0 + -4 -7a = 0 + -4 Combine like terms: 0 + -4 = -4 -7a = -4 Divide each side by '-7'. a = 0.5714285714 Simplifying a = 0.5714285714

Subproblem 2

Set the factor '(4 + -1a)' equal to zero and attempt to solve: Simplifying 4 + -1a = 0 Solving 4 + -1a = 0 Move all terms containing a to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + -1a = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -1a = 0 + -4 -1a = 0 + -4 Combine like terms: 0 + -4 = -4 -1a = -4 Divide each side by '-1'. a = 4 Simplifying a = 4

Solution

a = {0.5714285714, 4}

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