How do you factor: $y = x^{2} - 6 x + 9$ $y= x^2-6x+9$ ?

Question

1506 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2018-04-05T19:21:58

$y = {(x - 3)}^{2}$ $y=(x-3)^2$

Notice that $(- 3) \times (- 3) = + 9 and - 3 - 3 = - 6$ $(-3)xx(-3)=+9 and -3-3=-6$

So we have

$y = (x - 3) (x - 3) = {(x - 3)}^{2}$ $y=(x-3)(x-3) = (x-3)^2$

How do you factor: y=x2−6x+9y= x^2-6x+9 ?