(2xy+3z)(2xy+9z)
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→ (2xy+3z) (2xy+9z)
→ 2xy(2xy+9z) +3z(2xy+9z)
→ 4x²y²+18xyz+6xyz+27z²
→ 4x²y²+24xyz+27z²
Answered by
2
Step-by-step explanation:
2xy(2xy+9z)+3z(2xy+9z)
4x^2y^2+18xyz+6xyz+27z^2
4x^2y^2+24xyz+27z^2
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