expand (6y-8z)
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Answer:
= 6x^2+6y^2+8z^2- 2×6x×6y- 2×6y×8z+ 2×6x×8z.
= 36x^2 + 36y^2 + 64z^2 - 72xy - 96yz + 108xz
Step-by-step explanation:
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