Question

factorise the expression and divide m square - 14 metre -32 divided / m-2​

Answer 1

Answer:

Given x+2 is a factor of x

2

+mx+14

Let p(x)=x

2

+mx+14

we know that if x−α is a factor of p(x) then p(α)=0

then

p(−2)=0

(−2)

2

+m(−2)+14=0

4+14−2m=0

2m=18

m=9