Question

using identities of algebraic expression and evaluate 48×56​

Answer 1

Answer:

=2688

Step-by-step explanation:

48×56

=(52-4)(52+4).

(using identity (a-b)(a+b)=a²-b²

=(52)²-(4)²

=2704-16

=2688

Hope it may help you

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Answer 2

Step-by-step explanation:

48 can be written as 52-4, and 56 can be written as 52+4.

So 48x56= (52-4)(52+4)

Using the identity (a+b)(a-b)= a²-b²

52²-4²= 2704-16

= 2688