find the value of 5P-2q+3Pq if p=-2and q=-1
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7
Solution :
Given expression is 5p-2q+3pq
if p = -2 , q = -1 then
value of the expression
= 5( -2 ) - 2( -1 ) + 3( -2 )( -1 )
= -10 + 2 + 6
= -10 + 8
= -2
••••
Given expression is 5p-2q+3pq
if p = -2 , q = -1 then
value of the expression
= 5( -2 ) - 2( -1 ) + 3( -2 )( -1 )
= -10 + 2 + 6
= -10 + 8
= -2
••••
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4
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