Question

please answer quickly​

Answer 1

•x²-5x=0x2

x²-5x=0

x(x-5)=0

{x=o} ,{x=5}

•x²-3x-10=o

x²-5x+2x-10=0

x(x-5) +2(x-5)=o

(x+2)(x-5)=o

x=-2,x=5

•x²+x-12=o

x² +4x-3x-12=o

x(x+4)-3(x+4)=o

(x-3)(x+4) = o

x=3 , x=-4