Question

Simple 48*56 by using identity

Answer 1

Answer:

Step-by-step explanation:

48*56

=(40+8)*(40+16)

by using identity (x+a)*(x+b)=x^2+(a+b)x+a*b

=(40)^2+(8+16)*40+(8)(16)

=1600+(24)*40+128

=1600+960+128

=2688

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