20 find the value of x3 +y3-12xy+64when x+y=-4

1.	20 find the value of x3 +y3-12xy+64when x+y=-4
Answer» <html><body><p><strong>Answer: x³ + y³ - 12xy + 64</strong></p><p><strong>x³ + y³ + 4³ - 3(<a href="https://interviewquestions.tuteehub.com/tag/4xy-319308" style="font-weight:bold;" target="_blank" title="Click to know more about 4XY">4XY</a>) (64 = 4³)</strong></p><p><strong>(x + y + 4)(x² + y² + 4² - <a href="https://interviewquestions.tuteehub.com/tag/xy-747762" style="font-weight:bold;" target="_blank" title="Click to know more about XY">XY</a> - 4y - 4x)</strong></p><p><strong>x + y = - 4</strong></p><p><strong>(- 4 + 4) * (x² + y² + 4² - xy - 4y - 4x)</strong></p><p><strong><a href="https://interviewquestions.tuteehub.com/tag/0-251616" style="font-weight:bold;" target="_blank" title="Click to know more about 0">0</a> * (x² + y² + 4² - xy - 4y - 4x)</strong></p><p><strong>= 0</strong></p><p><strong></strong></p><p></p><p><strong>Step-by-step <a href="https://interviewquestions.tuteehub.com/tag/explanation-455162" style="font-weight:bold;" target="_blank" title="Click to know more about EXPLANATION">EXPLANATION</a>:</strong></p><p></p></body></html>

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