Question

(x+2)(x-2)=x2-k,then what is rhe value of k?​

Answer 1

Answer:

x²-4 = 2x-k

x²-2x = 4-k

x(x-2) = 4-k

x= 4-k & x=6-k

Answer 2

Answer:

(x+2)(x-2)=x2-k

$(x)^{2} - (2)^{2} = x^{2} - k \\ x^{2} - 4 = x^{2} - k \\ x^{2} - x ^{2} - 4 = - k \\ - 4 = - k \\ 4 = k \\ or = \: \: k = 4 \: \: \alpha nswer.......$

Sahi hai tho like..........