Ans:
Given that
f(x)=7x^2-2x+6
when x=2
f(2)=7*2^2-2*2+6
=28-4+6
=30
when x=-3
f(-3)=7*(-3)^2-2*(-3)+6
=7*9+2*3+6
=63+6+6
=75
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