Simplify: 21y^5-42y^4+49y^3 over 7y^3

Simplify: 21y^5-42y^4+49y^3 over 7y^3

7^3x * 7 * 7^x-1

Answers: 1. 4a^2-a+6 2. 4a^2-a+4 3. 4a^2+7a+6 4. 4a^2+7a+4

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(1/7)^X-1=49X

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Part 1 of 5: You make $20/hour tutoring Chemistry and $16/hour tutoring math. Let x represent the number of hours per week you spend tutoring Chemistry and y represent the number of hour...

You make $20/hour tutoring Chemistry and $16/hour tutoring math. Let x represent the number of hours per week you spend tutoring Chemistry and y represent the number of hour per week you spend tutoring...