Answer: Choice D, -5x^3 + 8
A binomial consists of two terms being added or subtracted. The two terms are -5x^3 and 8. The term -5x^3 has a leading coefficient -5 and exponent 3. The largest exponent determines the degree of the polynomial. The 8 is constant as there are no variables attached or multiplying with it.
Answer:

According to the laws of indices, when multiplying numbers with exponents and the bases are the same add the powers



Answer 79.8
Step-by-step explanation:
The value of x is 27
Explanation:
5x-50=3x+4
5x-3x=4+50
2x=54
x=27