Math, asked by shibanibouri935, 10 months ago

if a:b = find the value of (5a -3b ) ( 2a +b).

Answers

Answered by swethamuttin

1

Answer:

7asq+5ab-6ab-3bsq

Step-by-step explanation:

5a*2a=7asq

5a*b=5ab

-3b*2a= -6ab

-3b*b= -3bsq

=7asq+5ab-6ab-3bsq

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