[tex]▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ { \huge \mathfrak{Answer}}▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ [/tex]
let's solve :
first step : we have to expand the term in L.H.S
- [tex](x + 3)(x - 5)[/tex]
- [tex] {x}^{2} - 5x + 3x - 15[/tex]
- [tex] {x}^{2} - 2x - 15[/tex]
now, let's equate the equations to find the value of m :
- [tex] {x}^{2} - 2x - 15 = {x}^{2} + mx - 15[/tex]
value of m = -2
