What algebraic expression must be subtracted from the sum of y2+5y−1 y 2 + 5 y Question 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? in progress 0 Math Athena 2 months 2021-10-12T02:05:27+00:00 2021-10-12T02:05:27+00:00 1 Answer 0 views 0

## Answers ( )

Answer:2y² -4y +5

Step-by-step explanation:First you need to find the sum of y²+5y-1 and 3y²-2y+4

(y²+5y-1) + (3y²-2y+4) => y²+3y²+5y-2y-1+4

=4y²+3y+3

Next is to subtract 2y²+7y-2 from the sum calculated above in order to find the algebraic expression asked in the exercise

4y²+3y+3 -(2y²+7y-2) => 4y²-2y²+3y-7y+3+2

=2y² -4y +5

Therefore, the algebraic expression asked must be 2y² -4y +5