Answer:
(-5x)(20m²-8n³)(20m²+8n³)
=First, solve the problem in each parenthesis
(20m²-8n³) so, subtract 20m² to 8n³ so the answer is 12mn^5;and
=Second, add 20m² to 8n³ so the answer is 28mn^5
=So, (-5x)(12mn^5)(28mn^5)
=Then, multiplied each parenthesis
Answer: -1680m²n^10x
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Answer:
(-5x)(20m²-8n³)(20m²+8n³)
=First, solve the problem in each parenthesis
(20m²-8n³) so, subtract 20m² to 8n³ so the answer is 12mn^5;and
=Second, add 20m² to 8n³ so the answer is 28mn^5
=So, (-5x)(12mn^5)(28mn^5)
=Then, multiplied each parenthesis
Answer: -1680m²n^10x