8. One of the factors of (25x²- 1) + (1 + 5x)² is
(a) 5+x
(b) 5-x
(c) 5x-1
(d) 10x
Answers
Answered by
4
Answer:
(c) 5x-1 (correct answer)
Answered by
9
Answer:
option d.10x
Step-by-step explanation:
(25x2-1)+(1+5x)2
=((5x)2-(1)2)+(1+5x)2
[a2-b2=(a+b)(a-b)] here. a=5x,b=1.
=[(5x+1)(5x-1)+(5x+1)(5x+1)]
take (5x+1) common
=(5x+1)[(5x-1)+(5x+1)]
=(5x+1)[5x-1+5x+1]
=(5x+1)(10x)
option is d.10x
I hope the solution is correct
ALL THE BEST FOR YOUR FURTHER
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