Because before parentheses is plus , we can simply remove parentheses
x³+2-3x³-5= (x³-3x³)+(2-5)=-2x³-3
Answer:
1440 ft^3
Step-by-step explanation:
You would just find the area which is 15 x 12 x 8 = 1440 ft^3
Answer:
5x^2+3x-3
Step-by-step explanation:
Only add common variables.
(The wierd symbol means squared)
Answer:
135°
Step-by-step explanation:
You want QRT. So if you look at it you have a straight line, which equals 180°. you already have an angle at 45° so all you do is 180-45 and that equals 135°
