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Mathematics 18 Online
OpenStudy (anonymous):

what are the factors of 4x2 + 5x − 6?

Vocaloid (vocaloid):

(x+2)(4x-3)

OpenStudy (anonymous):

thank you what did you do to get that

Vocaloid (vocaloid):

factoring is kind of a "guess and check method" but here's the method I use

Vocaloid (vocaloid):

|dw:1444346840572:dw|

Vocaloid (vocaloid):

first, I look at the x^2 term we have 4x^2, so I pick two factors of 4 to go on the left ends of the cross

Vocaloid (vocaloid):

|dw:1444346886217:dw|

Vocaloid (vocaloid):

then I look at the last term (-6) and write two factors on the other end

Vocaloid (vocaloid):

|dw:1444346933724:dw|

Vocaloid (vocaloid):

|dw:1444346999628:dw|

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