Question

Find the value of k for which the equation x2+5kx+16

Answer 1

Answer:

GO for HIT and TRAIL method.

Let k=2

substitute k=2 into the given equation as,

x²+5×2x+16=0

x²+10x+16=0

x²+8x+2x+16=0

x(x+8)+2(x+8)=0

(x+8)(x+2)=0

then,

x=-2,-8

Step-by-step explanation: