Question

85×75 use the formula to find the values​

Answer 1

Answer:

$85 \times 75 \\ = 6375$

Answer 2

Answer:

6375

Step-by-step explanation:

(100- 15) (100- 25)

using identity-

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

x = 100

a = -15

b = -25

(100)^2 + (-15-25)100 + (-15)(-25)

10000 + (-4000) + (375)

10375 - 4000

6375...

ANS

hope it helps

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