1.

Expand (-3x-5y+2z)²​

Answer»

(-3X+5Y-2z)² =>(-3x)²+(5y)²+(-2z)²+2(-3x×5y )+2(5y×-2z)+2(-2z×-3x) =>9x²+25y²+4z²-30xy-20yz+12zxhope it help you ✌✌✌✌



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