Find the next three sums by using inductive reasoning look for the pattern don't just add 1. 1=1
2.1+3=4
3.1+3+5=9
4. 1+3+5+7=16
5. 1+3+5+7+9=
6. 1+3+5+7+9+11=
7. 1+3+5+7+9+11+13

f(x) = x^3 -2x^2 -3x

x( x^2 -2x-3)

x( x^2 +x -3x -3)

x( x(x+1) -3(x+1))

x( x-3)( x+1)

so zeroes are 0, 3,-1

its (2) option

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