3x-2
-(-5x+7)
☝️this is your equation
distribute your subtraction sign to -5x+7 and you get
3x-2
+5x-7
add everything together and you end up with
8x-9
The standard form of the polynomial is expressed as 
<h3 /><h3>The standard form of a polynomial</h3>
The standard form of a polynomial is degree 3 is expressed as:
Given the expression 5x-4-3x²+2x², we are to write it in standard form. The standard form is expressed as shown:
Collect the like terms;


Group the terms:

Hence the standard form of the polynomial is expressed as 
Learn more on polynomial here: brainly.com/question/4142886
Answer:
C or the 3rd one
Step-by-step explanation:
Because you know the amount of rings bought but not how much shirts cost
Answer:
9 Km a su casa
Step-by-step explanation:
0j
Answer:
0.20 - $117.76= $16.62
Step-by-step explanation:
if you have a percentage you can always turn it into a decimal just put the number behind the period: 70% = .70, 49% = .49% ....
then you do the rest of the equation and BOOM!
20% - $117.76 = $16.62 = 0.20 - $117.76= $16.62.