Simplify (x+y) (2x-3y+z)-(2x-3y)a
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Step-by-step explanation:
2x^2 - 3xy + xz + 2xy-3y^2 +zy -2x+3y
2x^2 - 1xy + xz - 3y^2 + zy - 2x + 3y
We don’t multiply the last two since -(2x - 3y) = -2x + 3y
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