Question 20

2 2 3

• (i)2x2 + x –2=0
• (ii)x –x– =0 3 5 5
• (iii)3 2x 2 – 5x – 2 =0
• (iv)3x2 + 5 5x – 10 = 0 (v) 21x2 – 2x + =0