Fourteen hours. The equation is 5x+20=90. Solve for X.
<span>2n^2 - 7n - 3 = 0
a = 2
b = -7
c =-3
Then use the Quadratic formula:
x = [-b +-sqroot(b^2 -4*a*c)] / 2*a
</span>
Answer:
I think its A i'm sorry if its wrong
Step-by-step explanation:
Uhh me neither thats very complicated
