Question

0.8Use factor theorem to determine whether x+3 is factor of x square + 2 x-3 or not 9 std Maharashtra state board algebra English medium lesson polynomial​

Answer 1

x+3=0

x=-3

(-3)^2+2(-3)-3

9-6-3

9-9

0(zero)

Hence it is a factor

Answer 2

Answer:

yes

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

=0