3(x+3)2+20(x+3)=28

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Solution for 3(x+3)2+20(x+3)=28 equation:


Simplifying
3(x + 3) * 2 + 20(x + 3) = 28

Reorder the terms:
3(3 + x) * 2 + 20(x + 3) = 28

Reorder the terms for easier multiplication:
3 * 2(3 + x) + 20(x + 3) = 28

Multiply 3 * 2
6(3 + x) + 20(x + 3) = 28
(3 * 6 + x * 6) + 20(x + 3) = 28
(18 + 6x) + 20(x + 3) = 28

Reorder the terms:
18 + 6x + 20(3 + x) = 28
18 + 6x + (3 * 20 + x * 20) = 28
18 + 6x + (60 + 20x) = 28

Reorder the terms:
18 + 60 + 6x + 20x = 28

Combine like terms: 18 + 60 = 78
78 + 6x + 20x = 28

Combine like terms: 6x + 20x = 26x
78 + 26x = 28

Solving
78 + 26x = 28

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-78' to each side of the equation.
78 + -78 + 26x = 28 + -78

Combine like terms: 78 + -78 = 0
0 + 26x = 28 + -78
26x = 28 + -78

Combine like terms: 28 + -78 = -50
26x = -50

Divide each side by '26'.
x = -1.923076923

Simplifying
x = -1.923076923

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