Factor the polynomial using the pattern x^2-12x+27

How is working backward similar to solving an equation?

4. bob solved the inequality problem below incorrectly. explain his error and redo the problem showing the correct answer. −2x + 5 < 17 −2x + 5-5 < 17-5 -2x/-2 < 12/-2 x < -6

What number gives you a irrational number when added to 2/5