Math, asked by rishi2242, 1 year ago

find the (7 x - 2s) (12r + 5S when r = - 2 ;s = 2 and verify the results given in this problem

Answers

Answered by lalit99992

1

If r= -2 ; s=2

=(7 x - 2s) (12r + 5s)

=[7(-2)-2(2)] [12(-2)+5(2)]

=(-14-4) (-24+10)

=(-18) (-14)

=252

Answered by empireved

0

Answer:

7x-2s=12r+5s

7x-2*2=12*-2+5*2

7x*4=-24+10

7x*4=14

x*4=14/7

x*4=2

x=2/4

x=-2

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