Question

4x × 5x = 20 + x
Find x​

Answer 1

${\underline{\underline{\huge{\mathfrak{\green{Answer:-}}}}}}$

Hey Mate!!

4x × 5x = 20 + x

=> 20x^2 = 20 + x

=> 20x^2 - x = 20

=> x(20x - 1) = 20

=> 20x - 1 = 20/x

=> (20x - 1)/20 = 1/x

=> x = 20/(20x - 1)

=> x = 1/x - 20

Hope it helps...✌✌