(x−a)(x−b)
=(x+−a)(x+−b)
=(x)(x)+(x)(−b)+(−a)(x)+(−a)(−b)
=x2−bx−ax+ab
<h2><u><em>
=ab−ax−bx+x2</em></u></h2>
Answer:
Step-by-step explanation:
90
the answer is 90 but the answer i give has to be over 20 characters so i'm typing random things. have a good day:)
Answer:
Step-by-step explanation:
Te processing fee was applied to the discounted price.
The discounted price is
- 78 - 40% =
- 78*(100 - 40)/100 =
- 78*0.6 =
- 46.8
Amount of fee is
- 20% of 46.8 =
- 0.2*46.8 =
- 9.36
