y=(x-3)(2x+7)

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Solution for y=(x-3)(2x+7) equation:


Simplifying
y = (x + -3)(2x + 7)

Reorder the terms:
y = (-3 + x)(2x + 7)

Reorder the terms:
y = (-3 + x)(7 + 2x)

Multiply (-3 + x) * (7 + 2x)
y = (-3(7 + 2x) + x(7 + 2x))
y = ((7 * -3 + 2x * -3) + x(7 + 2x))
y = ((-21 + -6x) + x(7 + 2x))
y = (-21 + -6x + (7 * x + 2x * x))
y = (-21 + -6x + (7x + 2x2))

Combine like terms: -6x + 7x = 1x
y = (-21 + 1x + 2x2)

Solving
y = -21 + 1x + 2x2

Solving for variable 'y'.

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

Simplifying
y = -21 + 1x + 2x2

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