Question

Write the identities used to expand the following expressions.
c) (2x + 5) (2x + 9)

Answer 1

Answer:

Using identity

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

THIS IS THE IDENTUTY USED

PLZ MARK BRAINLIEST

NEED ONLY 2 FOR ACE RANK

THANKS