x+1(x+1)+(x+2)=378

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Solution for x+1(x+1)+(x+2)=378 equation:


Simplifying
x + 1(x + 1) + (x + 2) = 378

Reorder the terms:
x + 1(1 + x) + (x + 2) = 378
x + (1 * 1 + x * 1) + (x + 2) = 378
x + (1 + 1x) + (x + 2) = 378

Reorder the terms:
x + 1 + 1x + (2 + x) = 378

Remove parenthesis around (2 + x)
x + 1 + 1x + 2 + x = 378

Reorder the terms:
1 + 2 + x + 1x + x = 378

Combine like terms: 1 + 2 = 3
3 + x + 1x + x = 378

Combine like terms: x + 1x = 2x
3 + 2x + x = 378

Combine like terms: 2x + x = 3x
3 + 3x = 378

Solving
3 + 3x = 378

Solving for variable 'x'.

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

Add '-3' to each side of the equation.
3 + -3 + 3x = 378 + -3

Combine like terms: 3 + -3 = 0
0 + 3x = 378 + -3
3x = 378 + -3

Combine like terms: 378 + -3 = 375
3x = 375

Divide each side by '3'.
x = 125

Simplifying
x = 125

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