Question

Plss solve the 16 th one​

Answer 1

Answer:

I didnt get what does factorise have to do here

p(x)=ax³+3x²-3

p(4)=64a+48-3

=64a+45

=R1

g(x)= 2x³-5x+a

g(4)=128-20+a

=108+a

=R2

64a+45+108+a=0

65a+153=0

65a= -153

a= -153/65

a= -2.353