Question

factor polynomial
21x^2+31x+4

Answer 1

the easiest way to factor this is use the quadratic formula

Answer 2

\[(-b \pm \sqrt{b^2-4ac})/(2a)\]

Answer 3

a=21
b=31
c=4

Answer 4

quadratic formula is used to solve not factor

start by looking for a GCF, is there one?

Answer 5

any number divide evenly into 21,31 and 4?

Answer 6

It is a good practice to use the method @Jim766 described.

Answer 7

nothin goes in?

Answer 8

Just use the quad formula

Answer 9

huuh?

Answer 10

Good idea. Can you find the solutions with the quadratic formula?