Question

Find the value of the polynomial
2x2 + 3x-7 at x=3​

Answer 1

Answer:

2×3×2 + 3×3-7

= 12+2

= 14

Answer 2

Answer:

$p(x) = 2 {x}^{2} + 3x - 7 \\ p(3) = 2( {3)}^{2} + 3(3) - 7 \\ \: \: \: \: \: \: \: \: \: = 2(9) + 9 - 7 \\ \: \: \: \: \: \: \: \: \: = 18 + 2 \\ \: \: \: \: \: \: \: \: \: = 20$

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