Math, asked by PRODBYCB97, 1 day ago

10ab - 4a when a = 2 and b = - 1

Answers

Answered by poonam847211devi

1

Answer:

10ab-4a= 2a(5b-2)=2×2[5×(-1)-2]= 4×(-7)=(-28) answer

Answered by mahfuz96rc

1

Step-by-step explanation:

= 10x2x(-1) _ 4x2

= -20-8

= -28 (answer)

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