Answer:
The answer is -4x^2
Step-by-step explanation:
-3x^2 - 5x^2 + 4x^2
= -3x^2 + -5x^2 + 4x^2
Combine like terms:
-3x^2 + -5x^2 + 4x^2
(-3x^2 + -5x^2 + 4x^2)
= -4x^2
Answer:
=8
Step-by-step explanation:
Evaluate for x=y,y=x
8+5(x−x)
8+5(x−x)
Answer:
one solution: (-1,1)
Step-by-step explanation:
we have
----> equation A
----> equation B
Solve the system by substitution
Substitute equation A in equation B

solve for x




<em>Find the value of y</em>
----> 
The solution is the point (-1,1)
therefore
one solution: (-1,1)
The answer is 25/ 3 Good luck