SOLUTION: I need help solving quadratic equations by factoring. The question I need help on is not listed in my book. {{{x^2-4x=5}}}

SOLUTION: I need help solving quadratic equations by factoring. The question I need help on is not listed in my book. {{{x^2-4x=5}}}

Algebra.Com

Question 72881This question is from textbook College Algebra
: I need help solving quadratic equations by factoring. The question I need help on is not listed in my book. This question is from textbook College Algebra

Answer by checkley75(3666) (Show Source): You can put this solution on YOUR website!
X^2-4X=5
X^2-4X-5=0
(X-5)(X+1)=0 [IF YOU MULTIPLY THESE TWO TERMS YOU GET (X^2-5X+X-5) NOW COMBINING LIKE TERMS YOU GET X^2-4X-5. THE 4X DIDNT DISAPPEAR IT JUST GOT FACTORED INTO (-5X & X WHICH = 4X)
X-5=0
X=5 ANSWER.
X+1=0
X=-1 ANSWER.
RELATED QUESTIONS
Hi, I need desperate help in solving quadratic equations, I just can�t seem to understand (answered by checkley75)

I need help in solving equations by factoring: 2t^2+7t=4. THANK... (answered by stanbon)

I need help in solving equations by factoring: 2t^2+7t=4. THANK... (answered by stanbon)

I need help solving this quadratic equation by factoring:... (answered by Alan3354,nerdybill)

I need help on page #575 on question #20. I need to solve the roots of each quadratic... (answered by checkley75,bucky)

I need some help on quatratic equations. The first question is: The discriminant of... (answered by solver91311)

I have my math final for my Algebra 1B class. This final has 66 questions. The material... (answered by edjones)

a) Is y = x^2 + 7x + 12 a quadratic equation*? Why or why not? b) Can it be solved by... (answered by josgarithmetic,macston)

My teacher has a final in algebra one for us tomorrow. On the test are fractions. I am... (answered by josgarithmetic)