algebra 4.docx

x =(14-√28)/2=7-√ 7 = 4.354

x =(14+√28)/2=7+√ 7 = 9.646

Reformatting the input :

Changes made to your input should not affect the solution:

(1): "x2" was replaced by "x^2".

Step by step solution :

Step 1 : Raise x to the 2nd power

Exponentiaion : Equation at the end of step 1 :

(x2 - 14x) + 42 = 0

Step 2 :

Simplify x2-14x + 42

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