Question

If x=2, y=3 find the value of x2+y3-8 ÷2x2-y+xy​

Answer 1

Hi mate!

Here you go!

$2x + 3y - 8 \div 2 \times 2 - y + xy \\ x = 2 \\ y = 3 \\ \\ putting \: the \: values \: of \: x \: and \: y \: in \: the \: given \: equation \\ \\ 2(2) + 3(3) - (8 \div 2) \times 2 - (3) + (2 \times 3) \\ = 4 + 9 - (4) \times 2 - (3) + (6) \\ = 13 - 8 - 3 - 6 \\ = 13 - 14 - 3 \\ = 13 - 17 \\ = - 4 \\ \\ hence \: vlaue \: of \: given \: equation \: i \: - 4 \: if \: e \: put \: the \: respective \: values \: of \: x \: and \: y \:$

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