Question

the value of P(x)=5x-4x^2+3 at x=-1 is (hint x^2 means x square)​

Answer 1

Answer:

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Step-by-step explanation:

p(x)=5x-4x²+3=-4x²+5x+3

Put x=-1

p(-1)=-4(-1)²+5(-1)+3

      =-4(1)-5+3

      = -4-2=-6

Therefore, p(-1)=-6