Question

(i) 50x2 – 2(x - 2)2
FACTORISE IT​

Answer 1

${50x}^{2} - 2(x - 2) \\ = > {50x}^{2} - 2x + 4= 0 \\ = > {25x}^{2} - x + 2 = 0$

D={b}^{2} - 4ac
= (-1)^2- 4×1×2
= 1-8
= -7<0 so, it is not real and can't be factorised.