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Mathematics 9 Online
OpenStudy (anonymous):

What is the remainder when (2x4 – 3x3 + x2 – 3x + 2) ÷ (x – 2) ?

ganeshie8 (ganeshie8):

synthetic division

OpenStudy (anonymous):

i know but when i do it i don't get any of these 8 3 –6 –68 im left with 2 1 3 -3 -4

hartnn (hartnn):

or the remainder theorem plug in x=2 in (2x4 – 3x3 + x2 – 3x + 2)

OpenStudy (cwrw238):

or u can use remainder theorem

OpenStudy (anonymous):

does it work with long division? \

ganeshie8 (ganeshie8):

that also works

ganeshie8 (ganeshie8):

but synthetic division is the speed way to get u remainder

hartnn (hartnn):

the easiest one will be remainder theorem .... :)

ganeshie8 (ganeshie8):

easiest to learn is remainder theorem, easiest to use is synthetic division :)

OpenStudy (anonymous):

ok so... 2| 2 -3 1 -3 2 4 2 6 6 2 1 3 3 8

ganeshie8 (ganeshie8):

perfect !

OpenStudy (anonymous):

so is 8 right?

OpenStudy (whpalmer4):

Remainder theorem plus Horner's method is very fast. yes, 8 is correct.

ganeshie8 (ganeshie8):

8 = \(\checkmark\)

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