Find the solution to the following equation by transforming it into a perfect square trinomial.
x2 – 12x = 13
{46, 55}
{–1, 13}
{–15, 27}
{–21, 33}

+1

(2) Answers

sxicidxl

x² -12x = 13 way to obtain 36 > (-12/2)² = 36
x² -12x + 36 =13 +36 since we add 36 to the left,we must also add 36 to the right
(x-6)² = 49
x-6 = 7
x = 7 + 6 = 13 or -7 + 6 = -1
x = -1 or 13