Math, asked by nc7105199, 8 months ago

when x = 3 , a = 1 , b = 2 (i) 2 ( x² - 3x ) -5 ( 7×-4 )

Answers

Answered by krishna8622

0

Step-by-step explanation:

2{(3)^)2-3(3)}-5(7×-4)

2(9-9)-5(-28)

2(0)+140

=140

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