Answer:
1) -17x-9
Step-by-step explanation:
1)
(-2x^3+x-5)+(x^3-3x-4)
Combine like terms using P.E.M.D.A.S:
(-2x^3+x-5)+(x^3-3x-4)
(-9x-5)+(-8x-4)
Combine like terms:
(-2x^3+x-5)+(x^3-3x-4)
(-9x-5)+(-8x-4)
-17x-9
I hope this helps a bit!☺
The answer is rational and here is the steps
Answer:
13 is answer
Step-by-step explanation:
hope it helps
Answer:
x = -1
y = -6
Step-by-step explanation:
7x - y = -1 -> y = 1 + 7x
7x + 3y = - 25
Put y = 1 +7x -> 7x + 3(1 +7x) = -25
-> x = -1
-> y = -6
Answer: A=2(wl+hl+hw)
Step-by-step explanation:
W=15 L=5 H=4
A= 2((15*5)+(4*5)+(4*15))
A= 310
