4 years ago

Simplify (9k6 + 8k4 - 6k2)(4k2 - 5)

Mathematics

1 answer:

Tasya [4]4 years ago

8 0

Answer:

$36k^8-13k^6-64k^4+30k^2$

Step-by-step explanation:

$36k^8-13k^6-64k^4+30k^2\\9k^6*(4k^2-5)+8k^4*(4k^2-5)-6k^2*(4x^2-5)\\36k^8-45k^6+8k^4*(4k^2-5)-6k^2*(4x^2-5)\\36k^8-45k^6+32k^6-40k^4-6k^2*(4x^2-5)\\36k^8-45k^6+32k^6-40k^4-24k^4+30k^2\\36k^8-13k^6-40k^4-24k^4+30k^2\\36k^8-13k^6-64k^4+30k^2$

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4 years ago

Simplify (9k6 + 8k4 - 6k2)(4k2 - 5)​

Simplify (9k6 + 8k4 - 6k2)(4k2 - 5)