Question

`x^(2)`+11x-42

Answer 1

x = 3 And x = - 14

Explanation:

Given expression as :

`x^(2)+ 11x - 42 = 0`

Or,
`x^(2)+ 14x - 3x - 42 = 0`

Or, x (x + 14) - 3 (x + 14) = 0

Or, (x + 14) (x - 3 ) = 0

I.e (x + 14 ) = 0 And (x - 3 ) = 0

∴ x = 3 And x = - 14 Answer