expamd (-3a+4b-5c)^2
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Hey sis!
Here is your answer....
QUESTION :-) (-3a+4b-5c)²
APPLY THE FORMULA
➡️(a+b+c)² = a²+b²+c²+2ab+2bc+2ca
⚫️a= -3a, b= 4b, c= -5c
➡️(-3a)²+(4b)²+(-5c)²+2(-3a)(4b)+2(4b)(-5c)
+2(-5c)(-3a)
➡️9a²+16b²+25c²-24ab-40bc+30ca
Here is your answer....
QUESTION :-) (-3a+4b-5c)²
APPLY THE FORMULA
➡️(a+b+c)² = a²+b²+c²+2ab+2bc+2ca
⚫️a= -3a, b= 4b, c= -5c
➡️(-3a)²+(4b)²+(-5c)²+2(-3a)(4b)+2(4b)(-5c)
+2(-5c)(-3a)
➡️9a²+16b²+25c²-24ab-40bc+30ca
SpottedCapricon7:
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Answer:
9a²+16b²+25c²-24ab-40bc+30ca
Step-by-step explanation:
hope it helps you
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