X2-64=0
x2=64
x=8 because when multiplied by itself, and plugged back in, it works
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!☺
Answer:
48/15
Step-by-step explanation:
183/15-135/15
I can't do the fraction bar but it's 3 and 3/7
<span>Here 3 times means to multiply
and sum means to add, so three times the sum of b and f can be written as :
3(b + f)...
Hope it helps !!!</span>
