Question

(2x + y + 5) (2x + y - 9) simplify as expansion​

Answer 1

Answer:

what we have to do of this

Answer 2

answer

so your question is (2x+y+5)+(2x+y-9)

so you should do x in one side y in one side and numric in one side

=(2x+2x)+(y+y)+(5-9)

=4x+2y+5-9=4

=so your answer will be

=4x+2y+4.

I hope my explanation and answer is correct