How do you solve $x^2+3-4x=0$ ?

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Answer 1 · 2016-07-28T23:02:57

$x = 3 or x=1$

The first approach with quadratic equations is to see if we can find factors. Use $ax^2 + bx + c = 0$

$x^2 -4x +3 = 0$

Find factors of 3 which add up to 4.
The signs are the same, both minus.

$(x-3)(x-1) = 0$

Either of the factors can be 0.so:
$x = 3 or x=1$

Answer 2 · 2016-07-29T04:53:46

1 and 3

$y = x^2 - 4x + 3 = 0$
Since a + b + c = 0, use shortcut. One real root is 1 and the other is $c/a = 3$

How do you solve x^2+3-4x=0x^2+3-4x=0?