Solve the using formula
method on complementary
Squal 2x² - 6x -4 = 0!
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Discriminant formula -
D= b2-4ac
D= 36-4×2×4
D=36-32
D=4
Now , by using x= - b+-root of the D whole upon 2 ×a
6+-2 upon 4
x= 1 or x= 2
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