Question

pls solve sum number 4.

Answer 1

this is answer of this question

Answer 2

Answer:

Step-by-step explanation:

Here a=m-2,b=-(5+m)&c=16

Then D=0

=>b²-4ac=0

=>[-(5+m)]²-4(m-2)(16)=0

=>25+m²+10m-64m+128=0

=>m²-54m+153=0

=>m²-51m-3m+153=0

=>m(m-51)-3(m-51)

=>(m-51)(m-3)=0

Then m-51=0 or m-3=0

=>m=51 or m=3