7.9k views
4 votes
Evaluate-3x^3-4x for x= -1.​

User Shammi
by
7.4k points

2 Answers

6 votes

Answer:

  • 7

Step-by-step Solution:

  • -3x³ - 4x
  • => (-3 × x³) - 4x

[Substituting the value of x]

  • => (-3 × -1³) - 4(-1)

[Simplifying]

  • => (-3 × -1) - (-4)

[Adding]

  • => (3) + 4

[Final Answer]

  • => 7

Hoped this helped!

User Shalay
by
7.9k points
9 votes

Answer:

if evaluated answer = 7

Explanation:

-3x³-4x

-3(-1)³ - 4(-1)

-3(-1) - 4(-1)

+3--4

+3+4

7

User AffluentOwl
by
7.8k points

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