Answer:
see below...
Step-by-step explanation:
-12=constant [# doesn't change]
4=degree [exponent]
-6m= term [variable or 3]
9=coefficient [first #]
|3x+1|=4 : x=−
5
3 or x=1
Pasos
|3x+1|=4
Aplicar las propiedades de los valores absolutos: Pi |u| = a, a>0 entonces u = a or u = −a
3x+1=−4 or 3x+1=4
Mostrar pasos
3x+1=−4 or 3x+1=4
Multiply by cost of a dvd by the number of dvds bought ( x) and add the shipping charge.
A) 33.44 = 9.95x + 3.59
Subtract 3.59 from both sides.
29.85 = 9.95x
Divide both sides by 9.95
X = 29.85/9.95
X = 3
They bought 3 dvds.
B) 33.49-3.59 = 29.85
29.85/9.95 = 3
C) the steps were the same but solving arithmetic you didn’t have to do steps on both sides of an equation.
Answer:
9-4i²
Step-by-step explanation:
(3-2i)(3+2i)
Use the FOIL method for this.
First: 9
Outer: 6i
Inner: -6i
Last: -4i²
9+6i-6i-4i²=
9-4i²
