3(2x + 2)
6x + 6
Combine like terms:
6 + 3 - 5m + 9m
4m + 9
what is the Greatest Common Factor
24 and 30
GCF: 6
what are the two criteria's to make a like terms?
same variable and same exponent
(6-4) 4 +12
28
2(a + 1)
2a+- 2
Combine like terms:
8a - 3a + 15b + 9b
5a + 24b
Factor the expressions ...
7x - 14
7(x - 2)
what is the saying for dividing fractions?
Keep, Change, Flip
(5x5) -42+ 8
7
4(5z + 2)
20z + 8
Add the expressions ...
5x + 4 + 9x + 5
14x + 9
Factor the expressions ...
15 - 6x
3(5 - 2x)
what are the steps for order of operations?
parenthesis
exponents
multiplication, division (left to right)
add, subtract (left to right)
(1/2 +1/4) x 4
3
1/3(3f + 9)
f + 3
Combine like terms:
2c - 3d + 5c + 4d
7c + d
Factor the expression using GCF
8x - 12
4(2x - 3)
when do you use the distributive property?
when you can NOT combine like terms in the parenthesis
2/3 + 4/5 x (3-2)
1 and 7/15
1/2(4y - 10)
2y - 5
Combine like terms:
12m - 9x - 3m2 + 19x
12m-3m2+10x
Factor the expressions using the greatest common factor... hint variable counts
4x - 6x
2x(2 - 3)
when adding fractions you have to have what?
a common denominator