5a^2+2=7a

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Solution for 5a^2+2=7a equation:


Simplifying
5a2 + 2 = 7a

Reorder the terms:
2 + 5a2 = 7a

Solving
2 + 5a2 = 7a

Solving for variable 'a'.

Reorder the terms:
2 + -7a + 5a2 = 7a + -7a

Combine like terms: 7a + -7a = 0
2 + -7a + 5a2 = 0

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

Subproblem 1

Set the factor '(2 + -5a)' equal to zero and attempt to solve: Simplifying 2 + -5a = 0 Solving 2 + -5a = 0 Move all terms containing a to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + -5a = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -5a = 0 + -2 -5a = 0 + -2 Combine like terms: 0 + -2 = -2 -5a = -2 Divide each side by '-5'. a = 0.4 Simplifying a = 0.4

Subproblem 2

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

Solution

a = {0.4, 1}

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