in a secendary school there are 40 classes altogether. 8 out of classes are year 7 classes. what fraction in the school are in y
1 answer:
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Answer: 2+7x-4
Step-by-step explanation:
Product implies multiplication so just multiply it out.
(2x-1) (x+4)
2x^2+8x-1x-4 (Combine like terms)
2x^2+7x-4