Adding Like Terms
4x + 3x +2 + 4
7x+6
5x2 + 10x + x2 - 10 + 4 - 3x
In the above, what are the constants?
4 and -10
4(2x+6)
8x+24
Equivalent or Why Is It Not Equivalent
4(x+3) and 4x+3
Not Equivalent, the second term wasn't multiplied by the outside factor
a number plus 15
x+15
4x - x + 3
3x + 3
5x2 + 10x + x2 - 10 + 4 - 3x
In the above, what are the coefficients?
5 10 1 -3
3(x+15)
3x+45
Equivalent or Why Is It Not Equivalent
5(4x-4) and 20x+20
Not Equivalent, the sign in the second expression should be minus; 20x - 20
fifteen less than a number
x-15
4x + 5x +10 - 3 + x
10x + 7
5x2 + 10x + x2 - 10 + 4 - 3x
In the above, what is/are the variable(s)?
x2 x
3(x-4)+15
3x+3
Equivalent or Why Is It Not Equivalent
6(2x+7)+10-x and 11x+52
Equivalent
15 more than 2 times a number
2n+15
5x +10 + x - 12 - 6x
-2
5x2 + 10(x+4) + x2 - 10 + 4 - 3x
In the above, how many terms are listed?
6
5(3x-10+5)
15x-25
Equivalent or Why Is It Not Equivalent
3(5x+3)-x+10 and 15x+19
Not equivalent, the -1x was not removed from the 15x
the product of 2 and a number less 15
2n-15
5x2 + x + 5x2 - 5 - 3
10x2 + x - 8
5x2 + 10x - x + x2 - 10 + 4 - 3x
In the above, what are the like terms?
5x2 and x2
10x, -3x, and -1x
-10 and 4
16x+88
Equivalent or Why Is It Not Equivalent
3x(5+3)+x-3+10x-4 and 35x-7
Equivalent
the quotient of the sum of a number and 7 and 4
(x+7)/4