Answer:
3
Step-by-step explanation:
the answer is 3, because you always have to add the numbers in paranthises first. and 5+3= 8. u bring down the -5 and you have -5 + 8 = 3.
Answer:
A=49 degrees
a= 41 degrees
b=90 degrees
Step-by-step explanation:
its asking for the degrees?
x=84
Add up all the sides and then subtract that number by the original amount of degrees. 540
I think it is 1 I am sorry if I am wrong
Like terms are similar in exponents.
12x^2 can be combined with -3x^2
9x^3 with -5x^3
-8x^4 is on its own
Final=
-8x^4 + 4x^3 + 4x^2
