# algebra

posted by .

simplify and show all work 11+12^2-(-11)*12
is this right11+144-(-11)*12
155-(-11)*12
144*12
1,928
simplify -(8m)-(-7m+2)
15m-2
according to order of operation what should be done first when evaluating this expression do not solve [10-(-2+1)]-9

• algebra -

11 + 12^2 - (-11)*12
11 + 144 + 132
155 + 132
287
you should perform multiplication operation (the -11*12) first, not subtraction (not the 144-11).

-(8m) - (-7m + 2)
-8m + 7m - 2
-m - 2
you should distribute the negative sign to the terms inside the parenthesis. thus their sign change to its opposite (the -7m becomes +7m and +2 becomes -2)

for the third question, the first operation you must do is to simplify the terms inside the parenthesis. recall PEMDAS: Parenthesis, Exponents, Multiplication, Division, Addition, Subtraction.

hope this helps~ :)

## Similar Questions

1. ### Algebra

Can someone help me, I am stuck and do not know how to complete. Maybe my first part is wrong, I don't understand by looking at my example if I am doing it right or not. Square root Property 2k^2 +144=0 2k^2 +144-144=0-144 2k^2=-144 …
2. ### Algebra

find all real or imaginery solutions. I came up with {-6,6}, is this correct or have I missed something?
3. ### Math

I am not sure that I answered this question right. A) 3/4 / -12= 3/4 / -11 12/12= 3/4 / - 144/12= 9/12 / -144/12= 9/12 * -12/144= -9/144=-16. B) 5/4 / 2 2/3= 15/12 / 32/12= 15/12 * 12/32= 15/32. Is this correct?
4. ### Algebra

1. Subtract and simplify 18/y-8 - 18/8-y 2. subtract simplify if possible v-5/v - 7v-31/11v 3. Simplify by removing factors of 1 r^2-81/(r+9)^2 4. Divide and simplify v^2-16/25v+100 divided by v-4/20 5. find all rational numbers for …
5. ### Math

Please check my work. 1) 64 divide -4 = -16 2) -144 divide (-9) = 16 3) Simplify -9 and a small 2 = -81 4) Simplify (-3) and a small 3 = -27 5) Add -4/11 + 5/11 = 1/11 6) subtract 5/11- [-3/11] = 8/11 7) multiply [-7/8] • [-2/4] …
6. ### math

Solve the equation by using the square root property. Simplify all radicals. (a) x2 = 256 (b) t 2 = -144
7. ### Math

Simplify the expression (square root) √45/144 Thanks.
8. ### Algebra

Divide. Show all work. Make sure to simplify. Assume no denominator equals zero x^2-144/x^2+7x-60 divided by 3x-36/9x-45 I'm really confused on this and if anyone can help, I'd appreciate it. Thanks!
9. ### Algebra

How do I perform the indicated operation and, if possible, simplify. And show all of my work?
10. ### Algebra 1

Simplify using long division. (remember to show all your work.) 3. (72-8x^2+4x^3-36x)/(x-3) 4. (8b^3-6)/(2b-1) simplify the expression, if possible. state the excluded values, if any. 5. 10x^2-25X+15^5x-5 6.2w^2-18^w^2+6w+9

More Similar Questions