Question:

How if the given is like the ff.? how i will factor it?

by Guest60569  |  earlier

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1. 64t^3 - x^3y^12

2. a^2 - 2ay + y^2 + ca - cy

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  1. 1)

    a^3 - b^3 = (a - b)(a^2 + ab + b^2)

    64t^3 - x^3y^12

    = (4t - xy^3)(16t^2 + 4txy^3 + x^2y^9)

    = = = = = = = =

    2)

    a^2 - 2ay + y^2 + ca - cy

    = a^2 - ay - ay + y^2 + ca - cy

    = a^2 + ac - ay + y^2 - ay - cy

    = (a^2 + ac - ay) + (y^2 - ay - cy)

    = a(a + c - y) + y(y - a - c)

    = a(a + c - y) - y(a + c - y)

    = (a + c - y)(a - y)


  2. First is (4t)^3 -(xy^4)^3 Now use a^3 - b^3 formula.

    Second is (a-y)^2 -c(a-y) =(a-y)(a-y-c)

    What is ff?

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