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Question

Simplify :
(i) y2+24y+144
(ii) p27p44
(iii) 3x2+14x+15
(iv) 44x2x3

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Solution

a) =y2+24y+144
=y2+12y+12y+144
=y(y+12)+12(y+12)
=(y+12)(y+12)
=(y+12)2
b) =p27p44
=p211p+4p44
=p(p11)+4(p11)
=(p11)(p+4)
c) =3x2+14x+15
=3x2+9x+5x+15
=3x(x+3)+5(x+3)
=(3x+5)(x+3)
d) =44x2x3
=44x212x+11x3
=4x(11x3)+1(11x3)
=(4x+1)(11x3)

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