Answer:
x=8
x=-6
Step-by-step explanation:
As We Have -x^2+2x +48=0
By Using Ist And Last Method (factorization Method)
=> -x^2+8x-6x+48=0
Taking x and +6 common
=>x(-x+8)+6(-x+8)=0
Taking -x+8 common
=> -x+8=0 and x+6=0
=>-x+8=0 =>-x+8-8=0-8 (subtracting 8 on both side) => x=8
and
x+6=0 =>x+6-6=0-6 (subtracting 6 on both side) => x=-6
