- anonymous

.

- schrodinger

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- anonymous

hey @Loser66

- Loser66

replace x =-3 into the expression, what do you get?

- anonymous

@Loser66 i still dont understand.

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## More answers

- Loser66

No need to understand, just calculate it for me, please.

- Loser66

you will get the logic after doing that.

- anonymous

so -3 times 3 is -9
-3^2 is 9 times 7 is 63

- anonymous

wait no -7 so -63

- Loser66

hey, x3 means \(x^3\)

- Loser66

it is not x*3

- anonymous

so confused. could you do the first few steps to get me started?

- yamyam70

is this long or synthetic division ?

- anonymous

long i believe

- Loser66

no need to take long division!! \((-3)^3-7(-3)^2-18(-3)+42=-24\) hence 24 is the remainder of the expression divided by (x+3)
If you don't trust me, take long division, the answer will be the same.

- anonymous

Thank you so much!

- yamyam70

WAIT UP

- yamyam70

@Loser66 should you use synthetic division the answer would be 6
its divide not substitute

- anonymous

@Loser66 yamyam says 6 you say 24?

- yamyam70

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- yamyam70

@jcoury please take time to study this.

- anonymous

okay, be sure to check out my other question thats just been bumped.

- Loser66

yes, yamyam is correct!!

- Loser66

Let me check out !!

- yamyam70

@Loser66 you should rest and refresh your cells master haha

- Loser66

no!! I will sue the calculator company hehehe... the first time I hit the keys, it gives me -24
Now, it gives me 6 hahahaha.... anyway!! that is my mistake!! I might hit the wrong keys. But the method are the same.

- yamyam70

what type of calculator is that ? :O I desperately need one!!!!!!!!!!!

- yamyam70

|dw:1437918739170:dw|

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