Answer:
I believe the answer to this question is: 100.
21 + -12x=0 I think that is the solutiuon
Answer:
-5x^2 + 8 - 4x
Step-by-step explanation:
emove parentheses.
-2{x}^{2}+3-3{x}^{2}-4x+5
−2x
2
+3−3x
2
−4x+5
2 Collect like terms.
(-2{x}^{2}-3{x}^{2})+(3+5)-4x
(−2x
2
−3x
2
)+(3+5)−4x
3 Simplify.
-5{x}^{2}+8-4x
−5x
2
+8−4x
The answer is D hope this helps
Answer:
B.
Step-by-step explanation:
Since the numbers in the root is all the same, lets say
is a variable.
7x
- 4
+ x
Group with like terms:
7x
+ x
- 4
Combine like terms:
8x
- 4
There you have it! Since all the square roots are the same thing, we can treat them like variables.