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Kipish [7]
3 years ago
5

How to solve for X: X-B=A

Mathematics
2 answers:
rodikova [14]3 years ago
8 0
To solve for X, add B to both sides to get X alone
your new equation would be:
X = A + B
mamaluj [8]3 years ago
5 0

Answer:

Step-by-step explanation:

(x−a)(x−b)=x2−(a+b)x+ab

Now, this with the third bracket.

(x2−(a+b)x+ab)(x−c)=x3−(a+b+c)x2+(ac+bc+ab)x−abc

But there’s another way to do this, which is easier. Assume the given expression is equal to 0, then, we can form a cubic equation as

x3−(sum−of−roots)x2+(product−of−roots−taken−two−at−a−time)x−(product−of−roots) , which is essentially what we got above.

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