Plzzz solve the problem fast it's urgent.... Factorise
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Answer:
Use the formulae a²-b² = (a+b)(a-b)
Step-by-step explanation:
In the first question, assume (p+q)=x and (p-q)=y.
factorise it and then substitute the values.
Do the same in the second question.
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Answered by
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Step-by-step explanation:
use a square minus b square formula.
you can firstly assume the first term as X and the second as y. an letter solve the following equation first or second both.
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