y=-4(x-7)(x+5)

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Solution for y=-4(x-7)(x+5) equation: 


Simplifying
y = -4(x + -7)(x + 5)

Reorder the terms:
y = -4(-7 + x)(x + 5)

Reorder the terms:
y = -4(-7 + x)(5 + x)

Multiply (-7 + x) * (5 + x)
y = -4(-7(5 + x) + x(5 + x))
y = -4((5 * -7 + x * -7) + x(5 + x))
y = -4((-35 + -7x) + x(5 + x))
y = -4(-35 + -7x + (5 * x + x * x))
y = -4(-35 + -7x + (5x + x2))

Combine like terms: -7x + 5x = -2x
y = -4(-35 + -2x + x2)
y = (-35 * -4 + -2x * -4 + x2 * -4)
y = (140 + 8x + -4x2)

Solving
y = 140 + 8x + -4x2

Solving for variable 'y'.

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

Simplifying
y = 140 + 8x + -4x2

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