Question

12× 9 how to find this in identitie​

Answer 1

Answer:

108

Step-by-step explanation:

here we can use Identity as

(10-1)(10+2)

the identity is : (x-a)(x+b)= x²+ (b-a)x -ab

put the respective values

➡️ (10-1)(10+2) = 10²+(2-1)10-2

➡️9*12= 100+10-2

➡️12×9 = 108

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