factorise = p square+10p + 21
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Answered by
7
Answer:
10p power 3 + 21
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Answered by
3
Answer:
p²+10p+21
=p²+(a+b)p+a×b= (p+a) (p+b)
=p²+ (3+7)p+ (3×7)
=((p+3)(p+7)
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