5a^2-7a-35a+49=

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Solution for 5a^2-7a-35a+49= equation:


Simplifying
5a2 + -7a + -35a + 49 = 0

Reorder the terms:
49 + -7a + -35a + 5a2 = 0

Combine like terms: -7a + -35a = -42a
49 + -42a + 5a2 = 0

Solving
49 + -42a + 5a2 = 0

Solving for variable 'a'.

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

Subproblem 1

Set the factor '(7 + -5a)' equal to zero and attempt to solve: Simplifying 7 + -5a = 0 Solving 7 + -5a = 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 + -5a = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -5a = 0 + -7 -5a = 0 + -7 Combine like terms: 0 + -7 = -7 -5a = -7 Divide each side by '-5'. a = 1.4 Simplifying a = 1.4

Subproblem 2

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

Solution

a = {1.4, 7}

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