math
posted by anonymous
Please check.
(6m^2n+3mn^25mn+2)+(4m^2n+2mn^26mn9)
Answer: 2m^2n+5mn^211mn7
(2x^43x^2+7x)(5x^3+2x^23x+5)
Answer: 2x^45x^35x^2+10x5
(a8)(a1)
Answer: a^29a+8
(z+6)^2
Answer: z^2+12z+36
(5x+2y)^2
Answer: 25x^2+20xy+4y^2
Is that order okay? Does it matter?
(2x7)(2x+7)
Answer: 4x^249

Infinity_plus_one
Yes, your answers look correct! The order is okay. The polynomial is usually arranged so that the exponent of one variable is in increasing or decreasing order.
Respond to this Question
Similar Questions

Algebra 2
Can someone check my answers. Write the following equations in standard form. 1) x^2  2x + y^2 + 4y = 11 answer: (x1)^2 + (y+2)^2 = 16 2) 4x^2 + 24x  y + 34 = 0 answer: y = 4(x3)^2 + 2 3) The graph of which equation is a circle? 
math
Please check. (6m^2n+3mn^25mn+2)+(4m^2n+2mn^26mn9) Answer: 2m^2n+5mn^211mn7 (2x^43x^2+7x)(5x^3+2x^23x+5) Answer: 2x^45x^35x^2+10x5 (a8)(a1) Answer: a^29a+8 (z+6)^2 Answer: z^2+12z+36 (5x+2y)^2 Answer: 25x^2+20xy+4y^2 … 
8th Grade AlgebraRadicals:Answer Check
Change each decimal to a fraction in lowest terms. 1) 0.4242.... Answer: 14/33 2)0.58 Answer: 29/50 3)0.14 (Repeating sign over both numbers) Answer: 14/99 Write each expression in simplest form. ( means that it is inside a square … 
8th Grade AlgebraRadicals:Answer Check
Write each expression in simplest form. ( means square root 4. 3(11 + 4(11 Answer: 8(11 7. 7(2  2(8 Answer: 1(2 ? 
8th Grade Algebra: Answer Check
Find the length of the 3rd side of each right triangle. 1. 8^2+15^2=c^2 Answer: c=17 2. 5^2+b^2=13^2 Answer: b=12 3. 9^2+13^2=c^2 Answer: c~15.81 Simplify. Assume that all variables are nonnegative. { this means square root 4. {12 … 
8th Grade Algebra: Answer Check #2
Add or Subtract (Radicals) { this means squared 1.3{2 + 4{2 Answer: 7{2 2. 8{3 + 3{3 Answer: 11{3 3. 7{5  3{5 Answer: 4{5 4. 8{2  5{2 Answer: 3{2 5. 6{x + 7{x Answer: 13{x 6. 9{y + 3{y Answer: 12{y Multiply 7. 3x^2(4x^23x5) Answer: … 
Urgent Math please check
Very Important I can get someone to check these for me... I have to get an A, and I was wondering if someone could double check these for me. I am about 95% sure they are right, but just need a fresh set of eyes. I know I've been sending … 
Polynomial Doublecheck2
I asked this earlier, but I didn't get an answer. I'm glad though, because I found a couple of typos. I can get someone to check these for me... I have to get an A, and I was wondering if someone could double check these for me. I … 
Math 8R: Homework Check  Part 2
Part 2: Simplify by combining like terms and using the distributive property 11. 3x + 5x Answer: 8x 12. 3x + 5y  2x + 8, Answer: 1x + 5y + 8 13. 9 + 5m + 6b  2m  4, Answer: 3m + 5 + 6b 14. 3ab + 6c  ab + 10  2c, Answer: 2ab + … 
PreCalculus
Could someone check my answers? 25. 32^(2x3)=2 Answer x= 8/5 26. 9^(2x+1)=81 Answer x= 1/2 27. 1/4=2^3x Answer x= 2/3 28. 1/27=3^2x Answer x= 3/2 29. 9^x=27 Answer x= 3/2 30. 32^x=4 Answer x= 2/5 31. 27^(x+1)=9 Answer x=