Hey!
Explanation:
↓↓↓↓↓↓↓↓↓↓
First, remove parenthesis.

Secondly, multiple by the numbers.


Third, apply exponents rule.



Finally, refine.

<u><em>Answer⇒⇒⇒⇒28</em></u>
Hope this helps!
Thank you for posting your question at here on Brainly.
Have a great day!
-Charlie
-x^2 - 2x - 5=0
-(x^2 + 2x + 1) -4=0
(x +1)^2= -4
=> Impossible. There is no x
He saved 7(3), which is equal to 21 dollars saved. Hope it helps!
Answer:
x=12
Step-by-step explanation:
90 = x + 42 + 3x
48 = x + 3x
48 = 4x
12 = x
2pi radians=360 degrees
rato and proprtion
xrad/(2pi)=ydeg/360
xrad/2pi=82/360
times both sides by 2pi
xrad=164pi/360
xrad=41pi/90
aprox pi=3.141592
xrad=1.431
round
xrad=1.43 radians
1.43 radians=82 degrees