Question

Factorise 5x to the power 4 - 80y to the power 4

Answer 1

Answer:

=5(x²+4y²)(x+2y)(x-2y)

Step-by-step explanation:

5x⁴-80y⁴

=5(x⁴-16y⁴)

=5{(x²)²-(4y²)²}

=5{(x²+4y²)(x²-4y²)}

=5(x²+4y²){(x)²-(2y)²}

=5(x²+4y²)(x+2y)(x-2y)

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Answer 2

Hope it's helpful ......... ❤