Question

Express x2-8x+5 in the form (x-a)2 -b where a and b are intergers

Answer 1

(x-4)^2-11

How?

$\\ \sf\longmapsto (x-4)^2-11$

$\\ \sf\longmapsto x^2-8x+16-11$

$\\ \sf\longmapsto x^2-8x+5$

Verified