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-3
a=
is one root of given equation
2
By synthetic division
3 18 81 121 60
2 0 -27 – 81 -60
18

By Nevaeh

-3
a=
is one root of given equation
2
By synthetic division
3 18 81 121 60
2 0 -27 – 81 -60
18 54 40 0
The reduced equation is 18x² + 54x + 40 = 0
=> 9x? +27x + 20 = 0 = 9x² +15x +12x + 20 = 0
5
4.
3
= 3x(3x + 5) + 4(3x + 5) = 0 = (3x + 5)(3x+4)=0 = x =
3*​

About the author
Nevaeh

Factarise the following :
a) 30 a (square)b(cube)
b) 91×4(square) ​

1.C.V. is calculated by….

(A)(S.D.) (B)S.D./100 (C)S.D./a *100 (D)none of these​

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