Question

When x=1 and y=2, then x²-2xy+2=?​

Answer 1

Answer:

${1}^{2} - 2 \times 1 \times 2 + 2$

=

${1}^{2} \times 6$

=6

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Answer 2

Answer:

When

x = 1 and y= 2

Then

$x {}^{2} - 2xy + 2 \\ = 1 {}^{2} - 2 \times 1 \times 2 + 2 \\ = 1 - 4 + 2 \\ = 3 - 4 \\ = - 1$

I hope this will help you.