Question

simplify xcube minus xsqure y +5 x y square +y and 3 x square y + 9 x y square minus 4x cube +5 y
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Answer 1

Step-by-step explanation:

Solve for y: y = 13. 4 or -. 13. 4. Then, solving back for x, we have x = 3. 2 or - 5. This method is equivalent to “completing the square