Answer:
x^2+2x
Step by step explanation:
(2x^2+3x)-(x^2+x)
Remove unnecessary parentheses
2x^2+3x-(x^2+x)
When there is a - in front of an expression in parentheses, change the sign of each term of the expression and remove the parentheses
2x^2+3x-x^2+x
Collect like terms
x^2+3x-x
Answer:
c!!
Step-by-step explanation:
last saturday i did a worksheet that had the sae question
Ten less = -10
a number = n
is 15 = =15
So we have 10 less than a number...
n - 10
is 15...
= 15
Put them together...
n - 10 = 15
What is your question and ill try to answer it in the comments
Answer:
x = 26
Step-by-step explanation:
The sum of the 3 angles in a triangle = 180° , then
x + 3x + 5x - 54 = 180 , that is
9x - 54 = 180 ( add 54 to both sides )
9x = 234 ( divide both sides by 9 )
x = 26
