What is 5x^2+9.7xy+6x^2-9 ?

The solution to 5x^2+9.7xy+6x^2-9 is 11x^2+9.7xy-9

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simplify 5x^2+9.7xy+6x^2-9

simplify

5 x^{2} + 9.7 x y + 6 x^{2} - 9

11 x^{2} + 9.7 x y - 9

Solution steps

5 x^{2} + 9.7 x y + 6 x^{2} - 9

Group like terms

= 5 x^{2} + 6 x^{2} + 9.7 x y - 9

Add similar elements:

5 x^{2} + 6 x^{2} = 11 x^{2}

= 11 x^{2} + 9.7 x y - 9

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