Question

Find (4c+7d)(4c-7d) using algebraic identities

Answer 1

Step-by-step explanation:

(4c+7d)(4c-7d) is in the form of (a+b(a-b) = a^2- b^2

(4c+7d)(4c-7d) = (4c)^2- (7d)^2

= 16c^2- 49d^2