How do you solve 3x2+5x−2=0 by factoring?

1 Answer
Vincent
May 24, 2018

x1=-4/6 and x2=-1

Explanation:

we need the mathematical formula B2−4AS . B is our 5 its the one that has the x but not in any form of power so we want our x not to be an exponential. The A is our 3 which is the one that is exponential. And our S is the standard number which is -2 in this case. So by using the formula we have : 52−4⋅3⋅−2=1
Now we are going to use another the next part of the mathematical formula −5+√1=Q⇒Q6 and our next formula for the second solution −5−√1=N⇒N6
So our answers are x1=−46 and x2=−1
with x1 and x2 being the solutions.

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