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what exactly is the qun

3x^2-15x=0

use perfect squares.

Idk how kinda

oh wait. nvm. this is a bad example for perfect squares. use the quadratic formula

Whats the quadratic formula?

What?

do not complete the square on this problem. the b is not divisible by 2.

So if i dont complete the suare what do i do?

the quadratic equation. which i have written.

|dw:1359606249803:dw|

that is the formula^^^

So its |dw:1359606358086:dw|

?

|dw:1359606587124:dw|

is that the answer?

nope. u have to simplify. u should come out with 2 answers for x.

Ok

Why is it over 2?

oh whoops. my bad. it should be over 6

Why is it over 6 then?

because ur a is 3. for the standard equation it is ax^2+bx+c

Ohh so you have to multiply it by 2?

yah

ohh

Can you help me with 16y^2+25=25

are u sure u arent saying 16y^2+25y=25?

Nope its just 25

well that makes it simple. what do you think u have to do?

I think i have to subtract 25 from each side so it becomes 16y^2=0

indeed

and what is the only possible answer for y?

16y^2

?

no. there is only 1 possible answer in the world for the term y. So what do you think y equals.

196

so what u are telling me is that 16*196^2=0?

Ohh nvm. Is it 0?

indeed.

Isn't it suppose to have 2 answers?

for this equation no. for the previous one yes.

Ok. How would i complete the square for the equation y^2-3y?

u would not want to complete the square for it unless u have to. do u have to?

Yup

It just says "complete the square"

It doesn't say solve but the next equations say to solve

Ok thanks