Question

What is the value of -4D^2+15D^2÷5 for D=1

Answer 1

Plug in D:

-4(1)^2 + 15(1)^2/5

-4 + 15 / 5

-4 + 3 = -1

Answer 2

Answer

2.2

Step-by-step explanation:

-4d^2+15d^2/5 for D=1

-4(1)^2+15(1)^2/5

-4+15/5

11/5

=2.2