x square - 3x - 10 factories
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Answers
Answered by
0
Answer:
x
2
−
3
x
−
10
=
(
x
−
5
)
(
x
+
2
)
Explanation:
Given:
x
2
−
3
x
−
10
Find a pair of factors of
10
which differ by
3
.
The pair
5
,
2
works in that
5
⋅
2
=
10
and
5
−
2
=
3
Hence we find:
x
2
−
3
x
−
10
=
(
x
−
5
)
(
x
+
2
)
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2
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