Question

Evaluate-3x^3-4x for x= -1.​

Answer 1

• 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!

Answer 2

if evaluated answer = 7

Explanation:

-3x³-4x

-3(-1)³ - 4(-1)

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

+3--4

+3+4

7