(x+4)(x+3)-x(x-2)=48

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Solution for (x+4)(x+3)-x(x-2)=48 equation:


Simplifying
(x + 4)(x + 3) + -1x(x + -2) = 48

Reorder the terms:
(4 + x)(x + 3) + -1x(x + -2) = 48

Reorder the terms:
(4 + x)(3 + x) + -1x(x + -2) = 48

Multiply (4 + x) * (3 + x)
(4(3 + x) + x(3 + x)) + -1x(x + -2) = 48
((3 * 4 + x * 4) + x(3 + x)) + -1x(x + -2) = 48
((12 + 4x) + x(3 + x)) + -1x(x + -2) = 48
(12 + 4x + (3 * x + x * x)) + -1x(x + -2) = 48
(12 + 4x + (3x + x2)) + -1x(x + -2) = 48

Combine like terms: 4x + 3x = 7x
(12 + 7x + x2) + -1x(x + -2) = 48

Reorder the terms:
12 + 7x + x2 + -1x(-2 + x) = 48
12 + 7x + x2 + (-2 * -1x + x * -1x) = 48
12 + 7x + x2 + (2x + -1x2) = 48

Reorder the terms:
12 + 7x + 2x + x2 + -1x2 = 48

Combine like terms: 7x + 2x = 9x
12 + 9x + x2 + -1x2 = 48

Combine like terms: x2 + -1x2 = 0
12 + 9x + 0 = 48
12 + 9x = 48

Solving
12 + 9x = 48

Solving for variable 'x'.

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

Add '-12' to each side of the equation.
12 + -12 + 9x = 48 + -12

Combine like terms: 12 + -12 = 0
0 + 9x = 48 + -12
9x = 48 + -12

Combine like terms: 48 + -12 = 36
9x = 36

Divide each side by '9'.
x = 4

Simplifying
x = 4

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