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Sagot :
answer:2x^2-1
Set up the composite result function.
f
(
g
(
x
)
)
Evaluate
f
(
g
(
x
)
)
by substituting in the value of
g
into
f
.
f
(
2
x
2
−
1
)
=
3
(
2
x
2
−
1
)
+
2
Simplify each term.
Tap for more steps...
f
(
2
x
2
−
1
)
=
6
x
2
−
3
+
2
Add
−
3
and
2
.
f
(
2
x
2
−
1
=
6
x
2
−
1
Answer:
4x² + 2x + 4
Step-by-step explanation:
We're basically just adding the two equations together
(x² - 3x + 2) + (3x² + 5x + 2)
x² - 3x + 2 + 3x² + 5x + 2
You can rearrange the like terms closer if you want
x² + 5x² + 5x - 3x + 2 + 2
4x² + 2x + 4
This can be the answer but we can also keep going
You can factor out the 2
2(2x² + x + 2)
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