117k views
3 votes
Please help break down this problem-2x^3+16=0 find x

User Calpau
by
6.9k points

2 Answers

1 vote

Answer:

x = -2

Explanation:

Step 1: Subtract 16 from both sides of the equation.

2x^3 + 16 - 16 = 0 - 16

2x^3 = -16

Step 2: Divide both sides by 2.

2x^3 / 2 = -16 / 2

Step 3: Take cube root.

x = (-8)^(1/3)

x = -2



User EnriqueBet
by
6.0k points
2 votes

Answer:


Explanation:

2x^3+16=0

2(x^3+8)=0

x^3=-8

x=-8^(1/3)

x=-2

User Bernardo Duarte
by
5.9k points