Question

35 ×37 evaluate using identity

Answer 1

Answer:1295

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

Step-by-step explanation:

(30+5) (30+7) = (30)^2+(5+7)30+(7)(5)

900+360+35= 1295

Answer 2

Step-by-step explanation:

We can write 35 × 37 as (36-1)× (36+1)

Here we will use the identity:

$(a - b)(a + b) = {a}^{2} - {b}^{2}$

So we get,

${36}^{2} - {1}^{2}$

that is 1296 - 1

So answer is 1295.

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