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Mathematics 22 Online
OpenStudy (anonymous):

HELP! How do I factor x^2+9x+20?

pooja195 (pooja195):

Are we supposed to use the quadratic equation?

pooja195 (pooja195):

*formula

OpenStudy (anonymous):

I have to find two numbers that multiply to equal the constant term c, and also add up to equal b

pooja195 (pooja195):

ooh this should be too hard then :) |dw:1445817834491:dw|

pooja195 (pooja195):

|dw:1445817876383:dw|

pooja195 (pooja195):

What numbers multiply to make 20 but add to make 9?

OpenStudy (anonymous):

10*2?

pooja195 (pooja195):

The multiply to 20 but to not add or subtract to make 9

pooja195 (pooja195):

Think... 5 x 4=20 and add to 9 right? so our answer would be (x+5)(x+4) do you understand?

OpenStudy (anonymous):

Yes!

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