Question

8.The value of the expression x²-7x+2 at x=2 is​

Answer 1

Answer:

$= {x}^{2} - 7x + 2 \\ \\ = {2}^{2} - 7 \times 2 + 2 \\ \\ = 4 - 14 + 2 \\ \\ = - 8 \\ \\ this \\ is \: the \: answer$