Expand (-3x+5y-2z) ²
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Answered by
91
@
(-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
@:-)
(-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
@:-)
Answered by
22
hello friend,
this is the solution of the question....
this is the solution of the question....
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