Mathematics, 18.04.2020 03:50, mchillery1028

What algebraic expression must be subtracted from the sum of y2+5y−1
y
2
+
5
y
−
1
and 3y2−2y+4
3
y
2
−
2
y
+
4
to give 2y2+7y−2
2
y
2
+
7
y
−
2
as the result?

Answers: 2

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What algebraic expression must be subtracted from the sum of y2+5y−1
y
2
+
5...