Math, asked by Ghosha482, 6 months ago

Using some algebraic identify evaluate the following 89×87

Answers

Answered by sima050888

0

Answer:

7743

Step-by-step explanation:

this is the right answer ok this is right answer

Answered by mohan7007331

4

Step-by-step explanation:

(80+9)(80+7)

by identity x^2+(a+b)x+ab

=80^2+(9+7)80+9×7

=6400+16×80+63

=6400+1280+63

=.7743

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