When using the inspection method, which number would you add to (and subtract from) the constant term of the numerator in this expression so the polynomial in the numerator will have (x+4) as a factor?

x2+7x+15x+4

Question

When using the inspection method, which number would you add to (and subtract from) the constant term of the numerator in this expression so the polynomial in the numerator will have (x+4) as a factor?

x2+7x+15x+4

solomonzelman · Answer

I would do division by x+4 to find out what a remainder is

solomonzelman · Answer

synthetic, long poly. division, whatever you like........

solomonzelman · Answer

your polynomial might have a typo, though, check

specek18 · Answer

okay so for some reason this problem just disappeared....it's giving me a different one...

specek18 · Answer

What is the remainder of (2x3 − 18x + 5) ÷ (x − 3)?

specek18 · Answer

that's my new question but i'll post a picture since it won't show up....

dtan5457 · Answer

have you ever used synthetic division?

dtan5457 · Answer

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