Question

please solve this quadratic equation​

Answer 1

${\LARGE{\underbrace{\underline{\sf{Required\; Solution}}}}$

BY MIDDLE TERM SPLITTING:

⇒ X²-40x+30x-1200

⇒ X(x-40)+30(x-40)

⇒ (X-40)(x-30)

⇒ X=40 and 30

So the required zeroes of quadratic equation are 40 and 30.

Answer 2

Answer:

I did it, see my previous question, well, I'll answer this