Question

(a+b) × (a-b)=? find his answer ​

Answer 1

Answer:

hello...

bro.....

this is your answer.......

(a-b)×(a-b)=(a-b)² [for the basic rules of multiplication]

Now, we know that the formula

(a-b) ²=a²-2ab +b²

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Answer 2

Answer:

This is an identity that u should know learn it by heart

Step-by-step explanation:

It is

a²-b²

Verification:

(7+3)(7-3)

10 x 4

40