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Factor completely.

y^(2)-9x^(6)
Answer:

Factor completely.\newliney29x6 y^{2}-9 x^{6} \newlineAnswer:

Full solution

Q. Factor completely.\newliney29x6 y^{2}-9 x^{6} \newlineAnswer:
  1. Recognize as difference of squares: Recognize the expression y29x6y^2 - 9x^6 as a difference of squares.\newlineA difference of squares is a binomial of the form a2b2a^2 - b^2, which factors into (a+b)(ab)(a + b)(a - b).\newlineHere, y2y^2 is a perfect square (a2)(a^2) and 9x69x^6 is also a perfect square (b2)(b^2) because 99 is a perfect square (32)(3^2) and x6x^6 is a perfect square a2b2a^2 - b^200.
  2. Write expression as difference of squares: Write the expression as a difference of squares. \newliney29x6y^2 - 9x^6 can be written as (y)2(3x3)2(y)^2 - (3x^3)^2.
  3. Apply difference of squares formula: Apply the difference of squares formula.\newlineUsing the formula (a2b2)=(a+b)(ab)(a^2 - b^2) = (a + b)(a - b), we get:\newline(y)2(3x3)2=(y+3x3)(y3x3)(y)^2 - (3x^3)^2 = (y + 3x^3)(y - 3x^3).
  4. Check for additional factoring: Check for any additional factoring.\newlineThe terms (y+3x3)(y + 3x^3) and (y3x3)(y - 3x^3) are not factorable further with real numbers, so the expression is now completely factored.

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