y=(x+4)(x+3)

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Solution for y=(x+4)(x+3) equation: 


Simplifying
y = (x + 4)(x + 3)

Reorder the terms:
y = (4 + x)(x + 3)

Reorder the terms:
y = (4 + x)(3 + x)

Multiply (4 + x) * (3 + x)
y = (4(3 + x) + x(3 + x))
y = ((3 * 4 + x * 4) + x(3 + x))
y = ((12 + 4x) + x(3 + x))
y = (12 + 4x + (3 * x + x * x))
y = (12 + 4x + (3x + x2))

Combine like terms: 4x + 3x = 7x
y = (12 + 7x + x2)

Solving
y = 12 + 7x + x2

Solving for variable 'y'.

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

Simplifying
y = 12 + 7x + x2

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