simplify:5a²-3+7a+7a²-10a+4-15a
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Answer:
Add the numbers
5
2
−
3
+
7
+
7
2
−
1
0
+
4
−
1
5
5
2
+
1
+
7
+
7
2
−
1
0
−
1
5
2
Combine like terms
5
2
+
1
+
7
+
7
2
−
1
0
−
1
5
1
2
2
+
1
+
7
−
1
0
−
1
5
3
Combine like terms
1
2
2
+
1
+
7
−
1
0
−
1
5
1
2
2
+
1
−
1
8
4
Rearrange terms
1
2
2
+
1
−
1
8
1
2
2
−
1
8
+
1
Solution
1
2
2
−
1
8
+
1
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