Question

(x - 8) ( x - 8) = ______

Answer 1

(a-b)^2=a^2-2ab+b^2

${(x - 8)}^{2} = {x}^{2} - 2 \times x \times 8 + {8}^{2} \\ \: \: \: \: \: \: = {x}^{2} - 16x + 64$