Question

p(x) = 5x – 4x2+3 then p(-1) = ?

Answer 1

substituting x = -1

5(-1) -4 (-1)²+3

-5-4+3

-6

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Answer 2

Step-by-step explanation:

Here, x = 1

Now, substitute the value of x,

= -4x²+5x+3

= - 4(1)²+5×1+3

= - 4×1+5+3

= - 4+8 = 4