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Mathematics 7 Online
OpenStudy (anonymous):

How do you factor..?

OpenStudy (anonymous):

\[x ^{2}-6x+9-4y ^{2}\]

OpenStudy (anonymous):

Is it equal to zero?

razor99 (razor99):

@sakigirl could u check your question again

razor99 (razor99):

okay i will tell ya how u do it

OpenStudy (anonymous):

Oh okay, thanks @razor99

OpenStudy (zepp):

There a perfect square right there.

OpenStudy (zepp):

\(x^2-6x+9=(x-3)^2\)

razor99 (razor99):

x^2-6x+9-4y^2 x.x-2.3.x+3.3-2.2.y.y

razor99 (razor99):

so u know the common factor

OpenStudy (anonymous):

Is it a 1+3 type?

OpenStudy (zepp):

Then \(4y^2=(2y)^2\)

OpenStudy (zepp):

Factored form: \((x-3)^2-(2y)^2\)

OpenStudy (anonymous):

@razor99 that looks like \[2.2\] as opposed to \[2 \times 2\]

razor99 (razor99):

oh srry guyz its not a dot

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