Answer:
c=4
Explanation:
5x^2 + 9x = -4
We need to write this in the form
ax^2 +bx+c = 0
So add 4 to each side
5x^2 + 9x+4 = -4+4
5x^2 + 9x+4 = 0
a =5 b=9 and c =4
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