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27 December, 04:18

2. Find the number of real number solutions for the equation.

x? + 9x + 20 = 0

O Can not be determined from the graph

O 2

O1

Oo

+1
Answers (1)
  1. 27 December, 04:39
    0
    Step-by-step explanation:

    if it is a quadratic equation, then it is 2 real solutions,

    to be specific:

    x^2+9x+20=0

    (x+5) (x+4) = 0

    x=-5 0r x=-4
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