Question

x^2-7x+12

Answer 1

(x - 3)(x - 4) = 0

So x = 3 and 4

Answer 2

WELCOME TO OPENSTUDY!!

Answer 3

take a look at this for the rules http://openstudy.com/code-of-conduct

Answer 4

enjoy!

Answer 5

I suppose the problem is to factorize the given expression.
x^2-7x+12 ...(1)
Compare the above expression to form x^2+Sx+P ....(2)
In order to factorize the equation (2), you have to find two numbers A and B
such that (A+B)=S and A*B=P
Then, we get required factorized form (x+A)(x+B) ...(3)
Now , in our case , S=-7 and P=12
So the 2 numbers A and B will be -3 and -4 because (-3)+(4)=-7 and (-3)*(-4)=-12

So, the required expression becomes (x-3)(x-4)