Expressions Simplification

What is the value of (-2)((4 - 1)(6))?

• -36

• 36

• -60

• -18

Evaluate the following expression:
-3x² - 5x + 7 when x = -2

• 5

• 10

• 12

• 7

Evaluate the following expression:
25x(x - 4) when x = -1

• 100

• 115

• 125

• 130

Evaluate the following expression:
t² - t + 1 when t = 5

• 25

• 22

• 23

• 21

Simplify the expression (a³ - 2a²) - (3a² - 4a³).

• 5a³ - 5a²

• a³ + 2a²

• 3a³ - 6a²

• 4a³ + a²

Simplify the expression (3a² + 1) - (4 + 2a²).

• a² - 3

• 2a² + 5

• 3a² - 4

• a² + 1

Simplify the expression (5a + 4) - (5a + 3).

• 1

• 0

• 2

• -1

What is the simplified form of (-x⁴ + 13x⁵ + 6x³) + (6x³ + 5x⁵ + 7x⁴)?

• 18x⁵ + 6x⁴ + 12x³

• 18x⁵ - 6x⁴ + 12x³

• 18x⁵ + 6x³ + 12x⁴

• 18x⁵ - 6x³ + 12x⁴

What is the result of simplifying the expression: (7 – 13x³ – 11x) – (2x³ + 8 – 4x⁵)?

• 4x⁵ – 15x³ – 11x – 1

• 5x⁵ – 15x³ – 11x + 1

• 4x⁵ + 15x³ + 11x + 1

• 3x⁵ – 15x³ – 11x – 1

Simplify the expression: (k⁴ – 3 – 3k³) + (–5k⁴ + 6k³ – 8k⁵).

• –8k⁵ – 4k⁴ + 3k³ – 3

• –8k⁵ + 4k⁴ – 3k³ + 3

• –8k⁵ – 4k⁴ – 3k³ + 3

• –8k⁵ + 4k⁴ + 3k³ – 3