t=(x+y)(2x-y)

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


Simplifying
t = (x + y)(2x + -1y)

Multiply (x + y) * (2x + -1y)
t = (x(2x + -1y) + y(2x + -1y))
t = ((2x * x + -1y * x) + y(2x + -1y))

Reorder the terms:
t = ((-1xy + 2x2) + y(2x + -1y))
t = ((-1xy + 2x2) + y(2x + -1y))
t = (-1xy + 2x2 + (2x * y + -1y * y))
t = (-1xy + 2x2 + (2xy + -1y2))

Reorder the terms:
t = (-1xy + 2xy + 2x2 + -1y2)

Combine like terms: -1xy + 2xy = 1xy
t = (1xy + 2x2 + -1y2)

Solving
t = 1xy + 2x2 + -1y2

Solving for variable 't'.

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

Simplifying
t = 1xy + 2x2 + -1y2

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