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| 1. |
If 2x=3y-5 find the value of 8x³-27y³+90xy+115 |
| Answer» <html><body><p>here's is your answerExplanation:<a href="https://interviewquestions.tuteehub.com/tag/2x-301182" style="font-weight:bold;" target="_blank" title="Click to know more about 2X">2X</a>=3y−52x−3y=−5Now <a href="https://interviewquestions.tuteehub.com/tag/let-11597" style="font-weight:bold;" target="_blank" title="Click to know more about LET">LET</a> <a href="https://interviewquestions.tuteehub.com/tag/us-718298" style="font-weight:bold;" target="_blank" title="Click to know more about US">US</a> cube on both sides, we get(2x−3y) <a href="https://interviewquestions.tuteehub.com/tag/3-301577" style="font-weight:bold;" target="_blank" title="Click to know more about 3">3</a> =(−5) 3 (2x) 3 −(3y) 3 −3×2x×3y(2x−3y)=−1258x 3 −27y 3 −18xy(2x−3y)=−125No, substitute the <a href="https://interviewquestions.tuteehub.com/tag/value-1442530" style="font-weight:bold;" target="_blank" title="Click to know more about VALUE">VALUE</a> of 2x−3y=−58x 3 −27y 3 −18xy(−5)=−1258x 3 −27y 3 +90xy=−1258x 3 −27y 3 +90xy+125=0Mark me as brainliest</p></body></html> | |