1)(1)x*x + (2)x + (-35) = 0
a = 1
b = 2
c = -35

(-b +/- d)/2a
d*d = b*b - 4ac
x = -5, 7


2)(a)x*x + (b)x + (c) = 0
d*d = b*b - 4ac
(-b +/- d)/2a=x



3)1.5a
a*a=3



4)3 spheres

5)$2222



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