Step-by-step explanation:
(2x + 1) (x + 2)
First:
(2x)(x)
= 2x²
Outside:
(2x)(2)
= 4x
Inside:
(1)(x)
= x
Last:
(1)(2)
= 2
2x² + 4x + x +2
= 2x² + 5x + 2
Answer:
2x² + 5× + 2
Using FOIL method..
