Mathematics
mikewwe13:

1 year ago
mikewwe13:

1 year ago
mikewwe13:

@TheSmartOne

1 year ago
alones:

You can use the subtraction method here

1 year ago
alones:

You want me to explain it step by step? @mikewwe13

1 year ago
mikewwe13:

ight

1 year ago
mikewwe13:

ight man

1 year ago
alones:

wait you're doing the quadratic formula?

1 year ago
mikewwe13:

yea

1 year ago
alones:

Oh man than thats easy x'd alright

1 year ago
alones:

Alright so basically you know the Quadratic formula: $$ax^2 + bx+c=0$$ Find a, b, c.

1 year ago
alones:

As I already have shown the formula ax.. "a"=2; "bx":b=-4 and "c":y-5 Now put them in the quadratic formulaa

1 year ago
alones:

$x=\frac{ \sqrt{(-4)^2-4*2(y-5)} }{ 2*2 }$

1 year ago
mikewwe13:

y = -2 (x + 2 - 4)^2 + y - 5

1 year ago
alones:

Now solve in the square root first start from $$-4*2(y-5)$$ than as also $$-4)^2$$ square root it and add

1 year ago
alones:

jfc i forgot the $$4\pm$$ in front of the quadratic formula

1 year ago
alones:

Anyways as you solve this out your answer should be: $x=4\pm2\frac{ \sqrt{2(7-y)} }{ 4 }$

1 year ago
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