Factorize:
a² + 2a - 63
Answers
Answered by
1
Answer:
(a + 9)(a-7)
Step-by-step explanation:
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Answered by
0
How to solve your problem
2
+
2
−
6
3
Grouping
1
Use the sum-product pattern
2
+
2
−
6
3
2
+
9
−
7
−
6
3
2
Common factor from the two pairs
2
+
9
−
7
−
6
3
(
+
9
)
−
7
(
+
9
)
3
Rewrite in factored form
(
+
9
)
−
7
(
+
9
)
(
−
7
)
(
+
9
)
Solution
(
−
7
)
(
+
9
)
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