Question

Select one of the factors of 5x2 + 7x + 2. A. (5x – 2) B. (x + 2) C. (5x + 1) D. None of the above

Answer 1

5 x² + 7 x + 2 =

= 5 x² + 5 x + 2 x + 2 =

= 5 x ( x + 1 ) + 2 ( x + 1 ) =

= ( x + 1 ) ( 5 x + 2 )

Answer:

D ) None of the above.

Answer 2

5 x² + 7 x + 2 =
= 5 x² + 5 x + 2 x + 2 =
= 5 x ( x + 1 ) + 2 ( x + 1 ) =
= ( x + 1 ) ( 5 x + 2 )
Answer:
D ) None of the above.