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SAT Math 1.5 Algebra and Functions. If f (x) = x2 - 16 and g(x) = x4 - 256, what is f of x divided by g of x?
Multiplying Polynomials to Find an Unknown Constant 3 Views
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Description:
In the equation above, if a, b, and c are all constants, what is c?
Transcript
- 00:03
Okay i see t mash members we got on the
- 00:05
weird ish quadratic foryou Here we go it's this long
- 00:09
thing five times out of a blind money three times
- 00:12
level block in the equation above If a b and
- 00:14
c are all constance what is c i d solve
Full Transcript
- 00:17
for c okay well wow this problem has almost every
- 00:21
operation in and multiplication subtraction and addition and divisions on
- 00:24
holiday in the alps Otherwise it would be here too
- 00:27
so notice that the only thing we need to find
- 00:29
here is see the constant term so you have to
- 00:31
multiply out every single term on the left hand side
- 00:34
Save some time on these tests you'll need it Just
- 00:37
multiply five by negative twenty four here and negative three
- 00:41
by negative fifty six that'll do the trick and that
- 00:44
gets you a negative one twenty plus one sixty eight
- 00:47
or forty eight that's it that's The answer was that 00:00:49.792 --> [endTime] easy forty eight we're done
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