Question

Expand using identity : (-3x + 4y - 5z)²​

Answer 1

Answer:

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

1. Step-by-step explanation:

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

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

2.9x²+16y²+25z²-24xy-40yz+30zx

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