plz solve this sum.if u say correct i will mark them as brainliest.this is from expansions
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THE ANSWER IS
(x+y+2z)=x2+y2+z2+2xy+4yz+4zx
(x+y+2z)=x2+y2+z2+2xy+4yz+4zx
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the answer is given in the attachment I think its helpful
x^3+y^3+4z^3+2xz^2-5xyz-zx^2+2yz^2-y^2z
x^3+y^3+4z^3+2xz^2-5xyz-zx^2+2yz^2-y^2z
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