Question

. If a = - 4/5, b = 5/7 and c = - 8/9,find ab - ac.​

Answer 1

Answer:

ab - ac

(-4/5) × (5/7) - (-4/5) × (-8/9)

-20/35 - 32/45

-180/315 - 224/315

-404/315

Step-by-step explanation:

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Answer 2

Answer:

- (404/315) or - 1.282539683

Step-by-step explanation:

ab-ac=(-4/5)(5/7)-(-4/5)(-8/9)=(-4/7)-(32/45)

= - (0.5714285714286+0.7111111111111)

=