SOLUTION: i factored this quadratic expression completely, and came up with the answer and roots of the expression. My answer is 6(x^2 + 5), root of 20. The problem is 6x2

SOLUTION: i factored this quadratic expression completely, and came up with the answer and roots of the expression. My answer is 6(x^2 + 5), root of 20. The problem is 6x2 - 42x + 72. Please

Question 144731: i factored this quadratic expression completely, and came up with the answer and roots of the expression. My answer is 6(x^2 + 5), root of 20. The problem is 6x2 - 42x + 72. Please tell me this is correct?
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!

Start with the given equation

Factor the left side

Now set each factor equal to zero:
or

or Now solve for x in each case

So our answers are

or

RELATED QUESTIONS
i need to factor the quadratic expression completely and find the roots of this... (answered by jim_thompson5910)

This is a problem I came across online: Factor the expression below completely. All... (answered by jim_thompson5910)

This problem I must factor the quadratic expression completely, and find the roots of the (answered by philline_palana)

If x= -1 and y= 2, What is the value of the expression 2x^3 - 3xy I have tried... (answered by jim_thompson5910)

I need to find the LCD for the given rational expression and convert the expression to an (answered by Fombitz)

Factor completely: x� � 16 (x + 4)(x - 4) ?? This is the answer I... (answered by Edwin McCravy)

Yuck! I am having so many problems tonight! Here goes Solve by extracting roots. Round... (answered by Earlsdon)

Hi, I've come to an unusual answer on a quadratic equation, and I would greatly... (answered by jim_thompson5910)