2 years ago

The completely factored form of 2d4 + 6d3 − 18d2 − 54d is

Mathematics

1 answer:

lions [1.4K]2 years ago

3 0

Answer:

2d(d + 3)^2(d - 3)

Step-by-step explanation:

2d^4 + 6d^3 - 18d^2 - 54d

= 2d^3(d + 3) - 18d(d + 3)

= (2d^3 - 18d)(d + 3)

= 2d (d^2 - 9)(d + 3)

= 2d(d + 3)^2(d - 3)

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