(4b-2)(5b+1)-(1+5b)(2b-4)=0

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Solution for (4b-2)(5b+1)-(1+5b)(2b-4)=0 equation:


Simplifying
(4b + -2)(5b + 1) + -1(1 + 5b)(2b + -4) = 0

Reorder the terms:
(-2 + 4b)(5b + 1) + -1(1 + 5b)(2b + -4) = 0

Reorder the terms:
(-2 + 4b)(1 + 5b) + -1(1 + 5b)(2b + -4) = 0

Multiply (-2 + 4b) * (1 + 5b)
(-2(1 + 5b) + 4b * (1 + 5b)) + -1(1 + 5b)(2b + -4) = 0
((1 * -2 + 5b * -2) + 4b * (1 + 5b)) + -1(1 + 5b)(2b + -4) = 0
((-2 + -10b) + 4b * (1 + 5b)) + -1(1 + 5b)(2b + -4) = 0
(-2 + -10b + (1 * 4b + 5b * 4b)) + -1(1 + 5b)(2b + -4) = 0
(-2 + -10b + (4b + 20b2)) + -1(1 + 5b)(2b + -4) = 0

Combine like terms: -10b + 4b = -6b
(-2 + -6b + 20b2) + -1(1 + 5b)(2b + -4) = 0

Reorder the terms:
-2 + -6b + 20b2 + -1(1 + 5b)(-4 + 2b) = 0

Multiply (1 + 5b) * (-4 + 2b)
-2 + -6b + 20b2 + -1(1(-4 + 2b) + 5b * (-4 + 2b)) = 0
-2 + -6b + 20b2 + -1((-4 * 1 + 2b * 1) + 5b * (-4 + 2b)) = 0
-2 + -6b + 20b2 + -1((-4 + 2b) + 5b * (-4 + 2b)) = 0
-2 + -6b + 20b2 + -1(-4 + 2b + (-4 * 5b + 2b * 5b)) = 0
-2 + -6b + 20b2 + -1(-4 + 2b + (-20b + 10b2)) = 0

Combine like terms: 2b + -20b = -18b
-2 + -6b + 20b2 + -1(-4 + -18b + 10b2) = 0
-2 + -6b + 20b2 + (-4 * -1 + -18b * -1 + 10b2 * -1) = 0
-2 + -6b + 20b2 + (4 + 18b + -10b2) = 0

Reorder the terms:
-2 + 4 + -6b + 18b + 20b2 + -10b2 = 0

Combine like terms: -2 + 4 = 2
2 + -6b + 18b + 20b2 + -10b2 = 0

Combine like terms: -6b + 18b = 12b
2 + 12b + 20b2 + -10b2 = 0

Combine like terms: 20b2 + -10b2 = 10b2
2 + 12b + 10b2 = 0

Solving
2 + 12b + 10b2 = 0

Solving for variable 'b'.

Factor out the Greatest Common Factor (GCF), '2'.
2(1 + 6b + 5b2) = 0

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

Ignore the factor 2.

Subproblem 1

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

Subproblem 2

Set the factor '(1 + 5b)' equal to zero and attempt to solve: Simplifying 1 + 5b = 0 Solving 1 + 5b = 0 Move all terms containing b to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + 5b = 0 + -1 Combine like terms: 1 + -1 = 0 0 + 5b = 0 + -1 5b = 0 + -1 Combine like terms: 0 + -1 = -1 5b = -1 Divide each side by '5'. b = -0.2 Simplifying b = -0.2

Solution

b = {-1, -0.2}

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