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Solving for a Variable 4039 Views


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00:00

Thank you We sneak and here's your mathey shmoop du

00:05

jour if three x squared plus two Acts all over

00:09

3 x plus two equals one than x is equal

00:12

to which of the following and hear the potential answers

00:16

Aah This has been okay it's asking us to find

00:19

what x equals to make this equation True this looks

00:22

like a pretty messy equation so we gotta simplify things

00:24

First The numerator looks like it can be factored in

00:27

tow x times three Acts plus 2 and hey look

00:32

three x plus two is in the numerator and denominator

00:35

which means we can cancel those two out We're all

00:38

accesses long as three x plus two isn't zero Three

00:42

Acts Plus 2 is 0 when x equals negative two

00:45

thirds So we have to remember that negative two thirds

00:48

is not a valid solution So we're left with x

00:50

equals one and it looks like the answer is c