Question

(ii) 4x3 - 5x2 - 6x + 7 when x = 3 find the value algebra form
​

Answer 1

Answer:

52

Step-by-step explanation:

4x³ - 5x² - 6x + 7

4(3)³ - 5(3)² - 6(3) + 7

4(27) - 5(9) - 6(3) + 7

108 - 45 - 18 + 7

115 - 63

52

Answer 2

Answer:

- 5

Step-by-step explanation:

(4×3×3) - (5×3×2) - (6×3) + 7

= 36 - 30 - 18 + 7

= -5