1)Factorise the expressions and divide them as directed !
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Answer:
(iii) x-6
(iv) x+5
Step-by-step explanation:
(iii)x²-11x+30
=x²-6x-5x+30
=x(x-6)-5(x-6)
=(x-6)(x-5)
Dividing by x-5 we get
(x²-11x+30)/(x-5)
=(x-6)(x-5)/ (x-5)
=x-6
(iv) 2x²+11x+5
=2x²+10x+x+5
=2x(x+5)+(x+5)
=(x+5)(2x+1)
dividing by 2x+1
(x+5)(2x+1)/(2x+1)
=x+5
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