Question

Find the value of the polynomial 5x-4x^2+3at x=2, x= -1​

Answer 1

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$1)5 \times 2 - 4 \times 2^{2} + 3 \\ = 10 - 16 + 3 \\ = - 3$

5×-1 -4×-1 power square +3

=-5-4+3

=-6

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Answer 2

Answer:

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