How do I find the value of a when the function f(x)=(2x^3 -12x^2 +8x-48)/( x-6 ) when X =6.... Comment: a should be -34 but it's giving me incorrect... what am I doing wrong here?

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OpenStudy (dumptybaby):

How do I find the value of a when the function f(x)=(2x^3 -12x^2 +8x-48)/( x-6 ) when X < 6 and f(x)= x^2 + x + a when X >=6.... Comment: a should be -34 but it's giving me incorrect... what am I doing wrong here?

9 years ago

OpenStudy (dumptybaby):

Please help me guys

9 years ago

OpenStudy (dumptybaby):

Any help would be much appreciated thanks guys

9 years ago

OpenStudy (triciaal):

do you know how to factor the function?

9 years ago

OpenStudy (triciaal):

what do you get when you divide the polynomial by (x-6)?

9 years ago

OpenStudy (dumptybaby):

of course. I get 2x^3 -12x^2 +8

9 years ago

OpenStudy (triciaal):

try again

9 years ago

OpenStudy (dumptybaby):

Is it incorrect? I can't think of any other way to do the factorization

9 years ago

OpenStudy (triciaal):

|dw:1476125806844:dw|

9 years ago

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