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replace x =-3 into the expression, what do you get?
@Loser66 i still dont understand.
No need to understand, just calculate it for me, please.
you will get the logic after doing that.
so -3 times 3 is -9 -3^2 is 9 times 7 is 63
wait no -7 so -63
hey, x3 means \(x^3\)
it is not x*3
so confused. could you do the first few steps to get me started?
is this long or synthetic division ?
long i believe
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.
Thank you so much!
@Loser66 should you use synthetic division the answer would be 6 its divide not substitute
@Loser66 yamyam says 6 you say 24?
@jcoury please take time to study this.
okay, be sure to check out my other question thats just been bumped.
yes, yamyam is correct!!
Let me check out !!
@Loser66 you should rest and refresh your cells master haha
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.
what type of calculator is that ? :O I desperately need one!!!!!!!!!!!