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Mathematics 5 Online
OpenStudy (desiraem):

who's good at factors? :) i need help.

OpenStudy (desiraem):

Some steps to rewrite the expression x^3 - 16x + x^2 as a product of three factors are shown below:

OpenStudy (cp9454):

are u sure u have written complete question.

OpenStudy (desiraem):

i'll finish typing it right now give me a sec.

OpenStudy (desiraem):

Step 1: x^3 - 16x + x^2 - 16 Step 2: x^3 + x^2 - 16x - 16 Step 3: x^2(x + 1) - 16(x + 1)

OpenStudy (desiraem):

Which of the following best shows the next two steps to rewrite the expression?

OpenStudy (desiraem):

A) Step 4: (x^2 + 16)(x + 1); Step 5: (x + 4)(x + 4)(x + 1) B) Step 4: (x^2 - 16)(x + 1); Step 5: (x + 4)(x + 4)(x + 1) C) Step 4: (x^2 - 16)(x + 1); Step 5: (x - 4)(x + 4)(x + 1) D) Step 4: (x^2 + 16)(x + 1); Step 5: (x - 4)(x + 4)(x + 1)

OpenStudy (cp9454):

C

OpenStudy (cp9454):

any thing else

OpenStudy (desiraem):

no but thank you sm. :)

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