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To raise to a power it's a lot clearer if you use ^ on a PC. For example, x^2 for x squared.

I think you want to factorise 4x^2 - 25(y^2)(z^2).

We recognise this as a difference of squares: (2x)^2 - (5yz)^2

and so it factorises as (2x - 5yz)(2x + 5yz).

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8y ago
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11y ago

There is a formula for the "difference of squares." In this case, the answer is

(2x2 - 3y)(2x2 + 3y)

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10y ago

There is a formula for the "difference of squares." In this case, the answer is

(8x + 5y)(8x - 5y)

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10y ago

(x - y)(3x + 2y)

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12y ago

(5x+9y)(5x-9y)

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12y ago

(2y + 3)(2y - 3)

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Q: How do you factor 4y squared minus 9?
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