Question

What should be added to -2y2 to get -10y2

Answer 1

Answer:

Step-by-step explanation:

-8y^2 should be added to get -10y2

hope this helps

Answer 2

Answer:

-2y 2+__=10y 2

Step-by-step explanation:

1. let the missing no. be =x.

2. -2y 2 +x = -10y 2

3. x= -10y 2+ 2y 2

4. x = -8y 2.

(x= -8y 2)→ add in -2y 2 to get -10y 2

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