Variables/constants in an expression separated by addition/subtraction
What is a term?
5x+8x-3y
What is 13x-13y
HCF of 12 and 6
5(x+12)
What is 5x+60
3t+15
What is 3(t+5)
A constant that multiplies a variable
What is a coefficient?
9a+18a-3a+7b-2b2
What is 24a-2b2+7b
HCF of 105 and 35
What is 7
3m(5m+7n)
What is 15m2+21mn
9p+3
What is 3(3p+1)
Variables/constants that can be combined by addition or subtraction
"like-terms"
8m2-12m+m2+8m+5
What is 9m2-4m+5
HCF of 13 and 25
What is 1
-f(f-y)
What is -f2+fy
24+10y
What is 2(12+5y)
The largest number that divides two other numbers
Highest common factor
4x+2a+3x+2a2-3ax
What is 2a2+2a-3ax+7x
HCF of 63 and 15
What is 3
7x - 3(x-2)
What is 4x+6
-8ab-16
What is -8(ab+16)
Equation
b2+3a-b2+10a+b2-3a-b2-10a
What is 0
HCF of 0 and 13
What is 0
5x - 3(5x-3)
What is -10x+9
-12ab+16b
4a(-3b+4b)