Posted by **anonymous** on Thursday, January 10, 2013 at 12:56am.

usethe rational zero theorem to find all real zeros of

the polynomisl function.Use the zeros to factor f over the real numbers.

f(x)=x^4+2x^33-7x^2-8x+12

what are the real zeros?>

use the real zeros to factor f

f(x)=

- math -
**Reiny**, Thursday, January 10, 2013 at 7:59am
Try values of x = ±1, ±2, ±3, ±4, ±6

hint: x = 1 and x = 2 worked for me

so (x-1) and (x-2) are factors

do either long algebraic division or synthetic division to find the other two factors.

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