Question

2 x square minus x minus 10​

Answer 1

Answer:

=> 2x^2 - x - 10 = 0

=> 2x^2 - x = 10

=> x^2 - x = 10/2

=> x^2 - x = 5

=> x^2 = 5 + x

=> x = 5 + x/x

=> x = 5.