Question

Evaluate : 2b-3a / abc if a=-2 ,b=1 and c=2

Answer 1

If a=-2, b=1, and c=2

Then you can substitute into the equation. So you get:

[ 2(1) - 3(-2) ] / [ (-1)(1)(2) ]

so we get

[ 2 + 6 ] / [ -2]

Which is

8 / -2 = -4

Right? Just plug in the numbers.

Answer 2

Sorry, the bottom is [ (-2)(1)(2) ]

So it ends up being 8 / -4

Which is -2, not -4.

My mistake