(3x-4y+1) ^2 : solve
Answers
Answered by
3
Answer:
9x²+16y²+6x-8y-24xy+1
Step-by-step explanation:
(3x-4y+1)²
= [(3x-4y) +1]²
by using Identity (a+b)²=a²+b²+2ab
= (3x-4y)²+(1)²+2(3x-4y)(1)
by using Identity (a-b)²=a²+b²-2ab
= 9x²+16y²-24xy+1+6x-8y
= 9x²+16y²+6x-8y-24xy+1
Answered by
20
Step-by-step explanation:
Now expand the square
Now distribute the number
Now again distribute the number
Now find the answer
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