Question

a = 4,b=-5, and c = 2.
a. atb-c
b. a2 - bc​

Answer 1

Step-by-step explanation:

a) 4×-5-2

=-22

b) 4²-(-5)(2)

=16-10

=6

Answer 2

Given

• a = 4,b=-5, and c = 2.

To Find

• a. a×b-c
• b. a² - bc

Solution

• a×b-c

Putting the values

→ 4 × (-5) -2

→ -20-2

→ -22

• a² - bc

Putting the values

→ 4² - (5)×2

→ 16-10

→ 6