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1.
- A. 5
- B. 5
- C. 5
- D. 5
Answer: Option A
Explanation:
(a-5)(a+x)=a2-25
or, (a-5)(a+x)=(a)2-(5)2
or,(a-5)(a+x)=(a+5)(a-5)
or, (a+x)=(a+5) [Divide (a-5) both sides]
or, a+x-a-5=0
or,x-5=0
or, x=5
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1.
Answer: Option A
Explanation:
(a-5)(a+x)=a2-25
or, (a-5)(a+x)=(a)2-(5)2
or,(a-5)(a+x)=(a+5)(a-5)
or, (a+x)=(a+5) [Divide (a-5) both sides]
or, a+x-a-5=0
or,x-5=0
or, x=5
Post your comments here: