Question

Rewrite x² - 10x = 4 so that the left side is a perfect square trinomial.

x² - 10x -4 = 0
x² - 10x + 25 = 4
x² − 10x + 25 = 29
x². - 10x + 10 = 14

Answer 1

C

Explanation:

x²-10x+(-10×0.5)²=4+(-10×0.5)²

x²-10x+25=29