35=a(a-2)

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Solution for 35=a(a-2) equation:


Simplifying
35 = a(a + -2)

Reorder the terms:
35 = a(-2 + a)
35 = (-2 * a + a * a)
35 = (-2a + a2)

Solving
35 = -2a + a2

Solving for variable 'a'.

Reorder the terms:
35 + 2a + -1a2 = -2a + 2a + a2 + -1a2

Combine like terms: -2a + 2a = 0
35 + 2a + -1a2 = 0 + a2 + -1a2
35 + 2a + -1a2 = a2 + -1a2

Combine like terms: a2 + -1a2 = 0
35 + 2a + -1a2 = 0

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

Subproblem 1

Set the factor '(7 + -1a)' equal to zero and attempt to solve: Simplifying 7 + -1a = 0 Solving 7 + -1a = 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 + -1a = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -1a = 0 + -7 -1a = 0 + -7 Combine like terms: 0 + -7 = -7 -1a = -7 Divide each side by '-1'. a = 7 Simplifying a = 7

Subproblem 2

Set the factor '(5 + a)' equal to zero and attempt to solve: Simplifying 5 + a = 0 Solving 5 + a = 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 + a = 0 + -5 Combine like terms: 5 + -5 = 0 0 + a = 0 + -5 a = 0 + -5 Combine like terms: 0 + -5 = -5 a = -5 Simplifying a = -5

Solution

a = {7, -5}

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