Take away:
(i) 65x2−45x3+56+32x from x33−52x2+35x+14
(ii) 5a22+3a32+a3−65 from 13a3−34a2−52
(iii) 74x3+35x2+12x+92 from 72−x3−x25
(iv) y33+73y2+12y+12 from 13−53y2
(v) 23ac−57ab+23bc from 32ab−74ac−56bc
Find the roots of the following equations
(1) x(x − 3) = 0
(2) a(a + 5) = 0
(3) m2 − 4m = 0
(4) 3k2 + 6k = 0
(5) (y + 6) (y + 9) = 0
(6) (b − 3) (b − 5) = 0
(7) (2n + 1) (3n − 2) = 0
(8) (5z − 2) (7z + 3) = 0