Question

x square + 2 x minus 15​

Answer 1

Answer:

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Answer 2

Step-by-step explanation:

x^2 + 2 x - 15

b^2-4ac = 4 - 4 × 1 × (-15)

= 4+ 60

= 64

$\frac{ - b + - \sqrt{ {b}^{2} - 4ac } }{2a}$

-2 + √ 64 / 4 or -2 - √64 /4

6/4 or -10/4

3/2 or -5/2

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