find the value of polynomial: 5x^3-4x^2+3 at x=-3 plz it's urgent
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= 5(27)-4(9)+3 = 135-36+3 = 102
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Given :
5x³-4x²+3
To find :
Value of given polynomial at x= -3
Solution :
Let p(x) be the polynomial.
p(x) = 5x³-4x²+3
p(-3) = 5(-3)³-4(-3)²+3
= 5(-27) -4(9) +3
= -135 -36 +3
= -171 +3
= -168
Answer : -168
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