Question

B) Find the value of 2a? + 5b2 when a = -6 and b = 2

Answer 1

The answer is 8

Explanation:

2a+5b^2

or, 5b^2+2a

or,5(2)^2+2(-6)

or,5(4)+(-12)

or,20-12

=8

Answer 2

2a + 5b(2)

2(-6) + 5(2)(2)

-12 + 20

=8