$(3a + 2b - c)(a - b + 2c) \\ = (3 {a}^{2} - 3ab + 6ac + 2ab - 2 {b}^{2} + 6bc - ac + bc - 2 {c}^{2} ) \\ = 3 {a}^{2} - ab + 5ac - 2 {b}^{2} + 5bc - {2c}^{2} \\ = 3 {a}^{2} - 2 {b}^{2} - {2c}^{2} - ab + 5ac + 5bc$

4 0

2 years ago

Read 2 more answers

What the circumference of 4.5 cm

irina [24]

If 4.5 was the diameter then it would be

4.5 times 3.14 = 14.13

4 0

2 years ago

Shiva bought a second hand motorcycle for rupees 153200 his spent to 1200 to repair it and sold it to vishnu at 8% loss. how muc

Alecsey [184]

Answer:

142048

Step-by-step explanation:

8 0

2 years ago

A 210​-inch pipe is cut into two pieces. One piece is five times the length of the other. Find the length of the shorter piece.

A 210-inch pipe is cut into two pieces. One piece is five times the length of the other. Find the length of the shorter piece.