I have to subtract … - QuestionCove

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Mathematics 11 Online

OpenStudy (lisa2345):

I have to subtract is now picture below @amistre64

11 years ago

OpenStudy (lisa2345):

11 years ago

OpenStudy (amistre64):

is the results going to have a +4x or a -4x in them ... can you tell just by looking at it?

11 years ago

OpenStudy (lisa2345):

+4x?

11 years ago

OpenStudy (amistre64):

right, so that gives us A or B .... what is your thoughts for them? should we start with a -2 or a 12?

11 years ago

OpenStudy (lisa2345):

-2 because we're subtracting 5 and 7

11 years ago

OpenStudy (amistre64):

good, then B is the only option that has a chance of being correct -2x^3 ..... +4x...

11 years ago

OpenStudy (lisa2345):

so is b correct?

11 years ago

OpenStudy (amistre64):

its the only option that CAN be correct .... so it would be the only one we would want to choose. if we did not want to finish the rest of the calculatons.

11 years ago

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