teagan4christ
teagan4christ teagan4christ
  • 06-03-2017
  • Mathematics
contestada

NEED CORRECT ANSWER PLEASE! THANKS:)
Factor.
2x²+7x+5

A. (2x+1)(x+5)
B.(2x+5)(x+1)
C. (2x+3)(x+2)
D. the polynomail is prime.

Respuesta :

baabaagreysheep
baabaagreysheep baabaagreysheep
  • 06-03-2017
The answer is B. (2x + 5)(x + 1)You could answer this by expanding each answer until you found one that matched 2x^2 + 7x + 5, but I will only show how the answer expands:
2x × x = 2x^2
5 × x = 5x
2x × 1 = 2x
5 × 1 = 5

So in total those brackets expand to 2x^2 + 7x + 5. I hope this helps!
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good job