Question

0.11 if x = 2 and y = 3, find the value of 2x³ - 3xy²
- 7xy​

Answer 1

Answer:

given x and y values 2,3 respectively

Step-by-step explanation:

substitute in given equation

$2{x}^{3} - 3x {y}^{2} - 7xy \\ 2 {2}^{3} - 3 \times 2 \times {3}^{2} - 7 \times 2 \times 3 \\ 16 - 54 - 42 \\ 16 - 96 \\ - 80$

is the answer