Math, asked by kishano7, 1 month ago

3(x-2y) +5(y-2z) -4y-(z-2x)

Answers

Answered by apple2422

0

Answer:

9x²+25y²+4z²-30xy-20yz+12zx

Step-by-step explanation:

(-3x+5y-2z)²

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

=>9x²+25y²+4z²-30xy-20yz+12zx

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