Question

use factor theorom to determine whether x+3 is factor of x²+2x-3 or not​

Answer 1

Step-by-step explanation:

x+3=0

x = -3

P (x) = x^2+2x-3

p(-3) =(-3) ^2 +2×(-3) - 3

= 9 +(-6) - 3

= 9 - 6 - 3

= 3 - 3

= 0

therefore,

(x+3) is factor of x^2+2x - 3