Question

use the identity (a+b)(a-b)=(a^2-b^2) to evaluate 34*26

Answer 1

Answer:

(30 + 4) (30 - 4) = 30^2 - 4 ^2 = 900 - 16 = 884

Step-by-step explanation:

Answer 2

Answer:

884

Step-by-step explanation:

34*26

=(30+4)(30-4)   (a+b)(a-b)

=(30)^2-(4)^2    (a)^2 - (b)^2

=900-16

=884