Write down each of the following products:
(3-x²)(5+x²)
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Write down each of the following products:
(3-x²)(5+x²)
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Answer:
Given polynomial is 3x
2
−5x−2.
X=
6
−(−5)±
25+24
=
6
5±7
=2 or
3
−1
If α and β are roots of the equation ax
2
+bx+c=0, then
ax
2
+bx+c=a(X−α)(X−β)
Hence, 3x
2
−5x−2=3(X−2)(X+
3
1
)