Question

what should be added to -2y² to get -10y²​

Answer 1

Step-by-step explanation:

let to be no Is x

then,

-2x²+x = -10x²

-2x²+10x²+x = 0

8x²+x = 0

x(8x+1)= 0

.: x = 0

.: 8x+1 =0

8 x= -1

.: x = -1/8