Question

Evaluate the variable expression when a = -2, b = 5, C = -5, and d = 3.

-4b + 1 (ac + bd)
5
5

Answer 1

5

Explanation:

Given :- a = -2 , b = 5 , c = -5 & d = 3

Solution :-

• - 4 b + 1 ( ac + bd )
• - 4 ( 5 ) + 1 ( (-2)(-5) + (5)(3))
• -20 + -2 × -5 + 3 × 5
• -20 + 10 + 15
• - 20 + 25
• 5

Answer 2

-4(5)+1(-2*-5+5*3)

Explanation:

-20+1(10+15)

-19(25)

-475