Answer:
3x³+10x²-8x-2
Step-by-step explanation:
(-3x³+7x²-8x+11)-(-3x²+13)
- remove unnecessary parentheses
-3x³+7x²-8x+11-(-3x²+13)
-3x³+10x²-8x+11-13
-3x³+10x²-8x-2
Answer:
-6x^3+x^2+x+5
Step-by-step explanation:
distribute (multiply) the 7- into the first set of parenthesis. then distribute (multiply) the -2x into the second set of parenthesis.
Width 2x-5 hope this helped
Answer:
C.) -2
Step-by-step explanation:
solve by putting 12 in for f(x)
12 = 2(x + 8)
Divide by 2
6 = x + 8
Subtract 8
-2 = x
Answer:
x = 100 degrees.
Step-by-step explanation:
We the the External Angle of a Triangle theorem:
The external angle = the sum of the 2 opposite internal angles.
x = 61 + 39
x = 100 degrees.
