Factor each expression completely.

Question

25-10-2014
Mathematics

contestada

Factor each expression completely.

Respuesta :

Otras preguntas

A census was conducted that determined the land area and populations of towns in a certain region. the frequency table displays some of the results. rounded to

find the median number of pumpkins 52,24,41,61,89,36,56

Sammy is classifying quadrilateral EFGH. How can she use coordinate geometry to determine whether EFGH is a rectangle? E(7, 10), F(4, 7), G(6, 5), H(9, 8) A) Sa

30 POINTS IF YOU ANSWER CORRECTLY!!!! I NEED HELP ASAP PLEASE!!! ALL THE ANSWERS OF THIS ONLINE ARE INCORRECT SO PLEASE HELP!!! Byron is conducting an experimen

If you are 15 years old now, which equation could be used to solve for your age, y, 12 years from now?

Thirty-four high school students were surveyed and asked how many siblings they have. The dotplot below displays the distribution of responses. A dotplot. A num

I just use this app for math help and I’m trying to get the free trial

mark spends 14 minutes walking to school 14 and minutes walking home each day. By the end of the school week (5 days), how many hours has mark spent traveling

Which idea is fundamental to Sikhism? a respect b pride c fairness d ambition

PLEASE ANSWER! The table shows the grading scale for one of your classes. Letter grade: A 90-100% B 80-89%

Аноним Аноним · Answer 1 · 2014-10-25T22:58:20+02:00

[tex]Use:\\a^2-b^2=(a-b)(a+b)\\(a\pm b)^2=(a^2\pm2ab+b^2\\==============================\\27.\\18z^2-8=2(9z^2-4)=2\left[(3z)^2-2^2\right]=2(3z-2)(3z+2)\\\\29.\\2a^2-16a+32=2(a^2-8a+16)=2(a^2-2a\cdot4+4^2)=2(a-4)^2\\=2(a-4)(a-4)\\\\31.\\12x^2+36x+27=3(4x^2+12x+9)=3[(2x)^2+2\cdot2x\cdot3+3^2]\\=3(2x+3)^2=3(2x+3)(2x+3)[/tex]

[tex]33.\\3x^2-24x-27=3(x^2-8x-9)=3(x^2+x-9x-9)\\=3[x(x+1)-9(x+1)]=3(x+1)(x-9)\\\\35.\\-x^2+5x-4=-(x^2-5x+4)=-(x^2-x-4x+4)\\=-[x(x-1)-4(x-1)]=-(x-1)(x-4)\\\\37.\\x^2-y^2=(x-y)(x+y)\\\\39.\\-6z^2-600=-6(z^2+100)[/tex]