Question

(d) 2y2 - 5 - 2y + y2 - 3y + 6 - y2 - 4y - y2 +
2​

Answer 1

Step-by-step explanation:

Given, P=2y

2

−5−2y,Q=y

2

−3y+6 and R=y

2

−4y+2.

Now,

P+2(Q+R)

=2y

2

−2y−5+2(2y

2

−7y+8)

=6y

2

−16y+11.

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Answer 2

Step-by-step explanation:

Answer

5-7y

.........