2x²+5x+2 (class 9) NCERT
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Answer:
Grouping
1
Use the sum-product pattern
2
2
+
5
+
2
2
2
+
4
+
+
2
2
Common factor from the two pairs
3
Rewrite in factored form
Solution
(
2
+
1
)
(
+
2
)
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