Question

click on the pic and and solve the problem
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Answer 1

Step-by-step explanation:

☆Question☆

3pq + 4qr + rs

☆Condition☆

◇If

• p = -1
• q = 2
• r = -2
• s = 1

☆Answer☆

3pq + 4qr + rs

→ 3×(-1)×(2)

→ 3 × -2

→ -6

Answer 2

question = 3pq + 4qr + rs

than,

p = - 1

q = 2

r = - 2

s = 1

solution;

3(-1)(2) + 4(2)(-2) + (-2)(1)

- 6 + (-16) + (-2)

- 6 - 16 - 2

- 22 - 2

-24 is the answer...