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Solve (x+y)(x+y+z) pls I need ur help​

1 Answer

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Answer:

(x +y)(x +y +z)

x(x +y +z) +y(x +y +z)

xx + xy + xz + yx + yy + yz

xx +2 xy + xz + yy + yz

x^2 +2xy + xz + y^2 + yz

Explanation:

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