x^2+9y^2+4z^2-6xy-12yz+4xz=?Please,tell me the answer as fast as you could.I'm so sorry for I didn't tell you this.
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x^2+9y^2+4z^2-6xy-12yz+4xz=?Please,tell me the answer as fast as you could.I'm so sorry for I didn't tell you this.
x^2+9y^2+4z^2-6xy-12yz+4xz=?
Please,tell me the answer as fast as you could.
I'm so sorry for I didn't tell you this.
x^2+9y^2+4z^2-6xy-12yz+4xz=?Please,tell me the answer as fast as you could.I'm so sorry for I didn't tell you this.
(x-3y+2z)^2
(3y-x-2z)^2
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