Question

Find the root of polynomial x square + 2x -15. It must be a correct explanation

Answer 1

Answer:

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Answer 2

Step-by-step explanation:

x^2 + 2x - 15

x^2 + 5x - 3x - 15

x [x+5] -3 [x+5]

[x+5] [x-3]

thus roots are: -5 and +3

HOPE IT HELPS!!!