Question 62
Solve the following:
x2−14(x−13)=16(x+1)+112
Given, x2−14(x−13)=16(x+1)+112 ⇒x2−x4+112=x6+16+112⇒2x−x4+112=x6+2+112⇒x4+112=x6+312⇒x4−x6=312−112⇒3x−2x12=3−112⇒x12=212⇒ 12x=2×12⇒12x=24⇒12x12=2412∴x=2
Question 64
x+14=x−23
Question 56
x5=x−16