19x³ + (14x + 4x³)=
You can assume that there is a 1 in front of the parentheses, so you can distribute the one to each term in the parentheses.
19x³ + 1(14x+4x³)=
19x³ + 14x + 4x³=
Then combine like terms to get 23x³ + 14x.
So 19x³ + 14x + 4x³= 23x³ + 14x
There is many answers to this question but angle B and C have to add up to 140 so angle B and C could both be 70 that should work
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Answer:
x = 3
Step-by-step explanation:
8x -6 = 18
Add 6 to both sides.
8x = 24
Divide both sides by 8 to isolate x.
x = 3
Answer:
X= (7;-2)
Step-by-step explanation:
X2+5X-14
(X-7)(X+2)
X= 7;-2