Question

Using a suitable identity evaluate
155 X 158

Answer 1

Answer:

use the formula

(x+a) (x+b) = x^2 + (a+b)x + ab

where x = 150

a = 5

b = 8

so substitute it like this

150^2 + (5+8) * 150 + 5*8

do this to get your answer!

I hope you understand and this helped you please mark me the brainliest

Answer 2

Here is ur answer below:-

=(155*145)

=(150+5) (150-5)

=(150)^2 - (5)^2

=22500-25

=22475

Hope it helps uh

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