Math, asked by dranitsrivastava1972, 9 months ago

expand....(3x-5y-2z)(3x-5y+2z)

Answers

Answered by christojoji8

0

Answer:

Step-by-step explanation:

3x(3x-5y+2z)-5y

Answered by ishwarsinghdhaliwal

3

(3x-5y-2z)(3x-5y+2z)

=3x(3x-5y+2z)-5y(3x-5y+2z)-2z(3x-5y+2z)

=9x²-15xy+6xz-15xy+25y²-10yz-6xz+10yz-4z²

=9x²+25y²-4z²-30xy

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