SOLUTION: 12x2 + 28x - 24 12m2 � mn � 20n2 Hello Tutors, I am really struggling with polynomials. I need to solve these using any method( please name the method used). If the polyno

Question 1021339: 12x2 + 28x - 24
12m2 � mn � 20n2
Hello Tutors,
I am really struggling with polynomials. I need to solve these using any method( please name the method used). If the polynomial cannot be factored, I need to label it "prime". Can someone show me the easiest method to solve this and explain the steps in a simplified way.
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
12x2 + 28x - 24
12m2 � mn � 20n2
Hello Tutors,
I am really struggling with polynomials. I need to solve these using any method( please name the method used). If the polynomial cannot be factored, I need to label it "prime". Can someone show me the easiest method to solve this and explain the steps in a simplified way.
-----------------
Use ^ (Shift 6) for exponents.
---
12x^2 + 28x - 24
--> 4(3x^2 + 7x - 6)
--> 4*(3x - 2)*(x + 3)
It's factored, but it's not an equation so there's nothing to solve.
Equations have equal signs.
---
12m^2 � mn � 20n^2
This will be (Am + Bn)*(Cm + Dn)
Factoring is trial and error.
Find the combination that gives -1mn.

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