Question

Factor: x2 + 11x + 10 Answer

(x + 10)(x +1)

(x + 11)(x + 10)

(x + 2)(x + 5)

prime

Answer 1

Use the quadratic formula,
\[ax^2+bx+c=0\Rightarrow x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}\]

Answer 2

It's factorable. Don't need to use the quadratic formula.

Answer 3

@Ytrium is true. Also you can use the Newton formulas to find the solutions,
\[x^2-(x_1+x_2)x+x_1x_2=0\]

Answer 4

As you'll see
\[x_1=-10;\ \ x_2=-1\]