If f(x) = x^3+4x^2-5x+6,find the values of f(-1) and f(2)
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given : f(x)= x^3+4x^2-5x+6
=>f(-1)= (-1)^3+4(-1)^2-5(-1)+6
f(-1)= -1 + 4 + 5 + 6
f(-1)= -1 + 15 = 14
=>f(2)= (2)^3 + 4(2)^2 -5(2) + 6
f(2)= 8 + 16 -10 +6
f(2)= 30-10= 20
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=>f(-1)= (-1)^3+4(-1)^2-5(-1)+6
f(-1)= -1 + 4 + 5 + 6
f(-1)= -1 + 15 = 14
=>f(2)= (2)^3 + 4(2)^2 -5(2) + 6
f(2)= 8 + 16 -10 +6
f(2)= 30-10= 20
hope it helps you . please mark me as the brainliest.
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