Question

If the adjoining figure angle are linear pair what is the value of x ?

Answer 1

Step-by-step explanation:

(4x+60) (x+20) = 180

4x^2 + 80x + 60x + 1200 = 180

4x^2 + 140x = 180-1200

x^2 + 140x = -1020

x^2x140x + 1020 = 0

now by splitting