Factorise 121p² -⅑q²plz explain it step by step

1.	Factorise 121p² -⅑q²plz explain it step by step
Answer» <html><body><p><strong><a href="https://interviewquestions.tuteehub.com/tag/answer-15557" style="font-weight:bold;" target="_blank" title="Click to know more about ANSWER">ANSWER</a>:</strong></p><p>(7p-6q)²</p><p></p><p><a href="https://interviewquestions.tuteehub.com/tag/step-25533" style="font-weight:bold;" target="_blank" title="Click to know more about STEP">STEP</a> by step <a href="https://interviewquestions.tuteehub.com/tag/explaination-980494" style="font-weight:bold;" target="_blank" title="Click to know more about EXPLAINATION">EXPLAINATION</a>:</p><p>The <a href="https://interviewquestions.tuteehub.com/tag/expression-980856" style="font-weight:bold;" target="_blank" title="Click to know more about EXPRESSION">EXPRESSION</a> 121p²-1/9 q²:can be <a href="https://interviewquestions.tuteehub.com/tag/written-732709" style="font-weight:bold;" target="_blank" title="Click to know more about WRITTEN">WRITTEN</a> as:</p><p>121p²-1/9 q² =</p></body></html>

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