যদি (a - 5) (a + x) = a2 - 25 হয়, তবে x এর মান কত?
Created: 1 year ago |
Updated: 10 months ago
best des
(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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