Respuesta :
Answer:
X^5+3x^4+81x+ 243
Step by step:
X^4*x=x^5
X^4*3=3x^4
81*x=81x
81*3=243
X^5+3x^4+81x+ 243
Step by step:
X^4*x=x^5
X^4*3=3x^4
81*x=81x
81*3=243
Answer:
x³+27
Step-by-step explanation:
x^4+81÷x+3 -----> using the law of exponents x^4 - x = x³
step 2)
81 ÷ 3 = 27
final answer: x³+27