sydney2 sydney2

20-02-2015
Mathematics

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if x=4 and y=5 work out 5xy+x squared

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20-02-2015

[tex]5xy+x^2 \hbox{ for } x=4, \ y=5 \\ \\ 5 \times 4 \times 5 + 4^2=100+16=\boxed{116}[/tex]

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