For questions 1-3, simplify the polynomial.
1. 14x^2 + 4 + 3x - 12x^2 - 3 + 11x
2. 3x^2 + 6 - 2x + 5x - 4x^2 + 9
3. 2x^2 + 6x - 7x + 8 - 3x^2 + 1
4. In the expression -7x - 3x^2 + 5, what is the coefficient of x?
Add or subtract.
5. (m^2 - m + 3) + (m - 1)
6. (4x^2 - 2x - 1) - (-3x^3 + 2)
7. Suppose you earned 8t - 3 dollars on Monday and 6t + 5 dollars on Tuesday. What were your total earnings? Simplify your answer.
8. f^2 * f^3
9.100^12/100^8
10. x^16/x^3
11. 4^4 * 4^10
12. 4^4 * 4^44
Write the value of the expression.
13. 2^3/2^3
14. 4^7/4^9
Multiply. Write the result in scientific notation.
15. (8*10^3)(7*10^5)
16. (2.2*10^-3)(4*10^-2)
Simplify the expression.
17. 6t^3 * 6t^3
18. -3(4x + 5)
19. 4k^2(-3k^2 - 4k + 5)
20. (-4x) * 9x^2
21. (6y^2 - 4y) + (7y^2 - 7y)
4 answers
Heavens, you want me to just do a whole bunch of problems for you to save you the trouble? What problem are you having with these?
Number 13 is either a typo or a trick :) Too easy. What is anything divided by itself?
Sorry, I'm just really having trouble understanding polynomials. I've watched several videos and by now, the concept normally would've clicked, but it's really just not getting through my thick skull.
I neeed help I need thee answers