Question 362853
y = 2(x-3)^2 - 23 
for x intercept y =0
2(x-3)^2=23
(x-3)^2=23/2
take the square root
x-3 = +/- sqrt(23/2)
x1= 3+sqrt(23/2)
6.39
x2=3-sqrt(23/2)
x2=-0.39
,,,
your intercepts are ready!
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