(2a-7)(2a-7)=

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Solution for (2a-7)(2a-7)= equation:


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

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

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

Multiply (-7 + 2a) * (-7 + 2a)
(-7(-7 + 2a) + 2a * (-7 + 2a)) = 0
((-7 * -7 + 2a * -7) + 2a * (-7 + 2a)) = 0
((49 + -14a) + 2a * (-7 + 2a)) = 0
(49 + -14a + (-7 * 2a + 2a * 2a)) = 0
(49 + -14a + (-14a + 4a2)) = 0

Combine like terms: -14a + -14a = -28a
(49 + -28a + 4a2) = 0

Solving
49 + -28a + 4a2 = 0

Solving for variable 'a'.

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

Subproblem 1

Set the factor '(7 + -2a)' equal to zero and attempt to solve: Simplifying 7 + -2a = 0 Solving 7 + -2a = 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 + -2a = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -2a = 0 + -7 -2a = 0 + -7 Combine like terms: 0 + -7 = -7 -2a = -7 Divide each side by '-2'. a = 3.5 Simplifying a = 3.5

Subproblem 2

Set the factor '(7 + -2a)' equal to zero and attempt to solve: Simplifying 7 + -2a = 0 Solving 7 + -2a = 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 + -2a = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -2a = 0 + -7 -2a = 0 + -7 Combine like terms: 0 + -7 = -7 -2a = -7 Divide each side by '-2'. a = 3.5 Simplifying a = 3.5

Solution

a = {3.5, 3.5}

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