Answer:
3 7/12
Step-by-step explanation:
a = - 3 and b = 4
Given
Simplify
= = × = 3
Thus expression can be written as
Multiply numerator/denominator by
noting that × = 2
=
Dividing each term on the numerator by 2
= 4 - 3
= - 3 + 4
with a = - 3 and b = 4