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January 29, 2015

January 29, 2015

Posted by **marko** on Monday, September 24, 2012 at 10:45pm.

-5 (a+2)

i got: -3

simplify:

5 (x+2)

i got: 3

simplify:

(y-3) (-4)

i got: 12

- math -
**drwls**, Monday, September 24, 2012 at 10:51pmIf you don't know what the unknowns a, x and y are, you cannot calculate a numerical value.

I think you misinterpreted the problem. Just simplify as follows:

-5 (a+2) = -5a -10

5 (x+2) = 5x + 10

etc

- math -
**marko**, Monday, September 24, 2012 at 11:00pmthats what i thought i needed to know what a x and y were? but it was on my test and i got it wrong. now i have to correct but i dont know how. heres how instruction on test are:

find the products:

-5 (a+2)

answer choices were:

a) -5a -3

b) -5a +10

c) -5a +2

d) -5a -10

i dont know which is correct

the other 2 problems were not multiple choice. just

simplify:

5(x+2)

(y-3)(-4)

- math -
**Ms. Sue**, Monday, September 24, 2012 at 11:08pmfind the products:

-5 (a+2)

answer choices were:

a) -5a -3

b) -5a +10

c) -5a +2

d) -5a -10

i dont know which is correct

**When you multiply a negative by a positive, the product is negative.**

5(x+2) = 5x + 10

(y-3)(-4) = -4y + 12

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