please answer it....
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1
Answer:
Step-by-step explanation:
We know that (a+b+c) ² = a²+b²+c²+2( ab + bc+ ca)
Given here a=5x b= 2y c=-3z
substitute a,b,c in 1 st equation
(5x+2y-3z)² = 25x² + 4y² + 9z² + 20xy - 12yz - 30 xz
HOPE IT IS HELPFUL
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Answered by
3
Answer:
125x-8y+27z is the answer hope u like it
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