Question

what should be added to -2y^2 to get -10y^2 ?​

Answer 1

Answer:

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Answer 2

Answer:

Step-by-step explanation:

Let the required number be x.

x + 2/5 = - 3/7

x = -3/7 - 2/5

x = [-15 - 14] / 35

x = -29/35

Thus, the required number is -29/35 that should be added to 2/5 to get -3/7.