(4c+2)(2c-7)=0

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Solution for (4c+2)(2c-7)=0 equation:


Simplifying
(4c + 2)(2c + -7) = 0

Reorder the terms:
(2 + 4c)(2c + -7) = 0

Reorder the terms:
(2 + 4c)(-7 + 2c) = 0

Multiply (2 + 4c) * (-7 + 2c)
(2(-7 + 2c) + 4c * (-7 + 2c)) = 0
((-7 * 2 + 2c * 2) + 4c * (-7 + 2c)) = 0
((-14 + 4c) + 4c * (-7 + 2c)) = 0
(-14 + 4c + (-7 * 4c + 2c * 4c)) = 0
(-14 + 4c + (-28c + 8c2)) = 0

Combine like terms: 4c + -28c = -24c
(-14 + -24c + 8c2) = 0

Solving
-14 + -24c + 8c2 = 0

Solving for variable 'c'.

Factor out the Greatest Common Factor (GCF), '2'.
2(-7 + -12c + 4c2) = 0

Factor a trinomial.
2((-1 + -2c)(7 + -2c)) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(-1 + -2c)' equal to zero and attempt to solve: Simplifying -1 + -2c = 0 Solving -1 + -2c = 0 Move all terms containing c to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + -2c = 0 + 1 Combine like terms: -1 + 1 = 0 0 + -2c = 0 + 1 -2c = 0 + 1 Combine like terms: 0 + 1 = 1 -2c = 1 Divide each side by '-2'. c = -0.5 Simplifying c = -0.5

Subproblem 2

Set the factor '(7 + -2c)' equal to zero and attempt to solve: Simplifying 7 + -2c = 0 Solving 7 + -2c = 0 Move all terms containing c to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + -2c = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -2c = 0 + -7 -2c = 0 + -7 Combine like terms: 0 + -7 = -7 -2c = -7 Divide each side by '-2'. c = 3.5 Simplifying c = 3.5

Solution

c = {-0.5, 3.5}

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