Y=7(x-3)(x+1)

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Solution for Y=7(x-3)(x+1) equation: 


Simplifying
Y = 7(x + -3)(x + 1)

Reorder the terms:
Y = 7(-3 + x)(x + 1)

Reorder the terms:
Y = 7(-3 + x)(1 + x)

Multiply (-3 + x) * (1 + x)
Y = 7(-3(1 + x) + x(1 + x))
Y = 7((1 * -3 + x * -3) + x(1 + x))
Y = 7((-3 + -3x) + x(1 + x))
Y = 7(-3 + -3x + (1 * x + x * x))
Y = 7(-3 + -3x + (1x + x2))

Combine like terms: -3x + 1x = -2x
Y = 7(-3 + -2x + x2)
Y = (-3 * 7 + -2x * 7 + x2 * 7)
Y = (-21 + -14x + 7x2)

Solving
Y = -21 + -14x + 7x2

Solving for variable 'Y'.

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

Simplifying
Y = -21 + -14x + 7x2

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