=(6x+4)(10x+10)

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Solution for =(6x+4)(10x+10) equation:


Simplifying
0 = (6x + 4)(10x + 10)

Reorder the terms:
0 = (4 + 6x)(10x + 10)

Reorder the terms:
0 = (4 + 6x)(10 + 10x)

Multiply (4 + 6x) * (10 + 10x)
0 = (4(10 + 10x) + 6x * (10 + 10x))
0 = ((10 * 4 + 10x * 4) + 6x * (10 + 10x))
0 = ((40 + 40x) + 6x * (10 + 10x))
0 = (40 + 40x + (10 * 6x + 10x * 6x))
0 = (40 + 40x + (60x + 60x2))

Combine like terms: 40x + 60x = 100x
0 = (40 + 100x + 60x2)

Solving
0 = 40 + 100x + 60x2

Solving for variable 'x'.

Combine like terms: 0 + -40 = -40
-40 + -100x + -60x2 = 40 + 100x + 60x2 + -40 + -100x + -60x2

Reorder the terms:
-40 + -100x + -60x2 = 40 + -40 + 100x + -100x + 60x2 + -60x2

Combine like terms: 40 + -40 = 0
-40 + -100x + -60x2 = 0 + 100x + -100x + 60x2 + -60x2
-40 + -100x + -60x2 = 100x + -100x + 60x2 + -60x2

Combine like terms: 100x + -100x = 0
-40 + -100x + -60x2 = 0 + 60x2 + -60x2
-40 + -100x + -60x2 = 60x2 + -60x2

Combine like terms: 60x2 + -60x2 = 0
-40 + -100x + -60x2 = 0

Factor out the Greatest Common Factor (GCF), '-20'.
-20(2 + 5x + 3x2) = 0

Factor a trinomial.
-20((1 + x)(2 + 3x)) = 0

Ignore the factor -20.

Subproblem 1

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

Subproblem 2

Set the factor '(2 + 3x)' equal to zero and attempt to solve: Simplifying 2 + 3x = 0 Solving 2 + 3x = 0 Move all terms containing x to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + 3x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + 3x = 0 + -2 3x = 0 + -2 Combine like terms: 0 + -2 = -2 3x = -2 Divide each side by '3'. x = -0.6666666667 Simplifying x = -0.6666666667

Solution

x = {-1, -0.6666666667}

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