Question

Evaluate and simplify the expression when a =2 and b=4

Answer 1

Answer:

60

Explanations:

The given expression is:

4a + 2b² - 2(a - 3b)

Substitute a = 2, b = 4 into the expression:

4(2) + 2(4)² - 2(2 - 3(4))

= 8 + 2(16) - 2(2 - 12)

= 8 + 32 - 2(-10)

= 8 + 32 + 20

= 60