Friday

April 25, 2014

April 25, 2014

Posted by **Laruen** on Friday, November 23, 2012 at 4:34pm.

a) 16a to the 2nd power + 5a + 7

b) 40a to the 2nd power + 10a + 10

c) 10a to the 2nd power + 5a + 7

d) 48a to the 2nd power + 12a + 12

please help!!!!!!!

- Math 8R - Help!!!!!!!! -
**mystify**, Friday, November 23, 2012 at 4:39pmcalm down: first expand 2 (8a^2 + a -1), so we get 2*8a^2+2*a-2*1 = 16a^2+2a-2.

Then we expand the second expression 3 (a+3) to get 3*a+ 3*3 to get 3a+9. Then we add both expressions together to get 16a^2+2a-2 + 3a+9 =?

- Math 8R - Help!!!!!!!! -
**Henry**, Saturday, November 24, 2012 at 4:15pmPost it.

**Related Questions**

math - Which expression has the same value as (7a-2)+(a-4) A)8a-6 B)6a+8 C)7a-2 ...

math - 8a+2b=2 -8a+b=13 3b = 15 b = 5 8a + 10 = 2 8a = -8 a = -1 How do I write ...

math - Evaluate the expression 8a + b for the given variable. b = 3a – 2

Math - Simplify 2a^2 b^3 (4a^2 + 3ab -ab) A.) 8a^4 b^5 + 3a^3 b^5 - 2a^3 b^4 B...

college math - Could you help me subtact this polynomials? (-8a^2+4a+2)-(8a+2)=

8th math(Algebra) - what is 8a+b=1 8a-3b=3

Math - solve the elimination method 8a+2b=2 -8a+b=13 determined the solution of ...

math - 5/8a+6=3/4a 6=1/8a a=6/8 is this correct? thank you.

math - I need to insert grouping symbols in the expression so that the value of ...

math - (4a^3 - 7a^2) - (8a^3 + 1a^2) Subtract = 4a^3 - 7a^2-8a^3 - 1a^3 = 4a^3...