Question

pls help me with maths sum not fast ​

Answer 1

Step-by-step explanation:

if x=1 then,

4x³+3x²-4x+k

=4(1)³+3(1)²-4(1)+k

=4×1+3×1-4+k

=4+3-4+k

=k= -3

Answer 2

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