Question

(x+5)³-(x+1)³-4(3x²-5)+10x-7​

Answer 1

Ответ:

x= -137/82

Объяснение:

Answer 2

надеюсь понятно ,рада помочь

Answer 3

To simplify the expression (x+5)³ - (x+1)³ - 4(3x²-5) + 10x - 7, you can follow these steps:

Step 1: Expand the cubes: (x+5)³ = x³ + 3x²5 + 3x5² + 5³ = x³ + 15x² + 75x + 125 (x+1)³ = x³ + 3x²1 + 3x1² + 1³ = x³ + 3x² + 3x + 1

Step 2: Substitute the expanded forms back into the expression: (x³ + 15x² + 75x + 125) - (x³ + 3x² + 3x + 1) - 4(3x²-5) + 10x - 7

Step 3: Distribute the -4 inside the parentheses: x³ + 15x² + 75x + 125 - x³ - 3x² - 3x - 1 - 12x² + 20 + 10x - 7

Step 4: Combine like terms: (x³ - x³) + (15x² - 3x² - 12x²) + (75x - 3x + 10x) + (125 - 1 + 20 - 7)

Simplify each group of like terms: 0x³ - 20x² + 82x + 137

So, the simplified expression is: -20x² + 82x + 137