expand using suitable identity
(-2x+5y-3z)^2
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Answer:
Step-by-step explanation:
(-2x+5y-3z)×(-2x+5y-3z)
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(a-b-c)²=a²+b²+c²-2ab+2bc-2ca
a=5y
b=2x
c=3z
=> 25y² + 4x² + 9z² - 20yx + 12xz - 30zy
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