If the roots of x²+kx+k+3=0 are real and equal, what is the value of k? Please, no spam or else will be reported!!.

Factor the expression using gcf 9b+45

Use the linear combination method to solve the system of equations. explain each step of your solution. if steps are not explained, you will not receive credit for that step. 2 + 9 = −26 −3 − 7 = 13

How many and of which kind of roots does the equation f(x)=x3−x2−x+1