Y=-7(x+3)(x+4)

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Solution for Y=-7(x+3)(x+4) equation: 


Simplifying
Y = -7(x + 3)(x + 4)

Reorder the terms:
Y = -7(3 + x)(x + 4)

Reorder the terms:
Y = -7(3 + x)(4 + x)

Multiply (3 + x) * (4 + x)
Y = -7(3(4 + x) + x(4 + x))
Y = -7((4 * 3 + x * 3) + x(4 + x))
Y = -7((12 + 3x) + x(4 + x))
Y = -7(12 + 3x + (4 * x + x * x))
Y = -7(12 + 3x + (4x + x2))

Combine like terms: 3x + 4x = 7x
Y = -7(12 + 7x + x2)
Y = (12 * -7 + 7x * -7 + x2 * -7)
Y = (-84 + -49x + -7x2)

Solving
Y = -84 + -49x + -7x2

Solving for variable 'Y'.

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

Simplifying
Y = -84 + -49x + -7x2

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