Without actually solving each equation, determine which one of the following has 0 in its solution set. Explain your answer. p3 + 5p2 = -7p 9n - 8n - 1 = 0 x2 + 10x - 2 = 0 49p2 - 9 = 0 .

a. she will receive a refund of $278.

step-by-step explanation:

substitute,

circle 1 = 5

circle 2 = 20

circle 3 = 44

in this case no matter how you add, you will always get a perfect square..

hence proved

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8.3 and the 3 is repeating

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