Question

Express X^2-8x+5 in the for (x-a)^2-b where a and b are integers

Answer 1

Answer:

$x {}^{2} - 8x + 5 \\ = x {}^{2} - 8 x+ 5 + 11 - 11 \\ = x {}^{2} - 8x +16 - 11 \\ = (x - 4) {}^{2} - 11$

A is 4 and b is 11