Question

whats the root of the equation x2 - 3x - 28 = 0

Answer 1

Answer:

-4,7

Step-by-step explanation:

x^2 - 3x - 28= 0

x^2 - 7x + 4x - 28 =0

x( x - 7 ) + 4( x - 7 )=0

(x+4)(x-7) =0

x+4=0 x-7=0

x= -4 x=7

Roots of eq = -4 , 7