For which positive integer values of $k$ does $kx^2+20x+k=0$ have rational solutions? Express your answers separated by commas and in increasing order.

-10,10

Step-by-step explanation:

The given quadratic equation is

The discriminant of this equation is given by;

where a=k, b=20, c=k

For rational solutions, the discriminant must be zero.

Simplify to get:

This implies that:

Take square root to get:

£56

step-by-step explanation:

u divide 24 by 3 and u get 8 so if u do 8 time 7 or 8+8+8+8+8+8+8 u get 56 and 56 divided by 7 is 8.

i need points

step-by-step explanation:

sorry bubs