SOLUTION: factor: x^2-13x-48

Question 51432: factor: x^2-13x-48

Found 2 solutions by rchill, THANApHD:
Answer by rchill(405) (Show Source): You can put this solution on YOUR website!

Solved by pluggable solver: SOLVE quadratic equation with variable

Quadratic equation (in our case ) has the following solutons:

For these solutions to exist, the discriminant should not be a negative number.

First, we need to compute the discriminant : .

Discriminant d=361 is greater than zero. That means that there are two solutions: .

Quadratic expression can be factored:

Again, the answer is: 16, -3. Here's your graph:

Answer by THANApHD(104) (Show Source): You can put this solution on YOUR website!
x^2-13x-48
=x^2-16x+3x-48
=x(x-16)+3(x-16)
=(x+3)(x-16)

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