Evaluate the following products without multiplying directly
A)95×97
Answers
Answered by
1
Answer:
(100-5) (100-3)
10000-300-500+15
=9215
9215 is the answer
Answered by
0
Answer:
81115
Step-by-step explanation:
by using identities
95*97=(90+5)(90+7)
(x+a)(x+b)=x^2+(a+b)x+ab
(90+5)(90+7)=(90)^2+(5+7)90+7*5
=810000+12*90+35
=810000+1080+35
=81115
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