Combine Like Terms
Why can't you combine 3x + 6?
They are not like terms, the 6 does not have a variable, can't make giraffelants
When you distribute (do rainbows), do you add or multiply?
multiply
When factoring expressions, you should find the ___ first
GCF or Greatest Common Factor
When given the expression:
3(4x + 7) + 2
Should I distribute or Combine like terms first?
Distribute (PEMDAS)
Tavin deposits $250 into a bank account to start off and then puts in $10 each week for some weeks. Write an expression to show how much money he has after some weeks.
250 + 10w
Simplify -4x + 2x
-2x
-2(-3x - 4)
6x + 8
When factoring: 30x + 10 what is my GCF?
10
Solve: 3(4x - 7) + 2
12x - 21 + 2
12x -19
.5(11) + 2
Simplify -8x + 2 + 7x - 6
-1x - 4 or -x + -4
-7(2f + 10)
-14f + -70 or -14f - 70
Factor: -9n + 27
-9(n - 3)
-5(2x + 10) + 20
-10x + -50 + 20
-10x + -30
50 + 30x
-5 + 10e + 11 - e
6 + 9e or 9e + 6
-8(8v - 3)
-64v + 24
Factor: -24x + -20
-4(6x + 5) or 4(-6x + -5)
- (x + 7) - 1
-x + -7 - 1 (don't forget super powers)
-x + -8
Marlee babysat this week to earn some extra money. On Monday she worked 5 hours at $4.25 each hour. On Wednesday she worked 4 hours at $4.75 each hour. On Saturday she worked 8 hours at $5.15 each hour. Write an expression to show how much money she made.
5(4.25) + 4(4.75) + 8(5.15)
Simplify: 5b + 6.3bc + 1.8c - 4b - 0.7c - 9
b + 6.3bc + 1.1c - 9 or b + 6.3bc + 1.1c + -9
-9(-3m - 5)
27m + 45
Factor: -36y + -48
-12(3y + 4) or 12(-3y + -4)
10 - (12m - 1) + 5
10 + -12m + 1 + 5 (don't forget about super powers)
-12m + 16
Mark, Mavis, Mogli went to the Bear River football game. Each person bought a ticket for X dollars, a foam finger for $5 and a soda for $3. Write 2 different expressions to show what they spent together.
3(x + 5 + 3) or 3x + 15 + 9 or 3x + 24 or x + x + x + 5 + 5 + 5 + 3 + 3 + 3 or 3(x) + 3(5) + 3(3)