How do you prove the parallegram theorem
1 answer:
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To solve a proportion set it up like
Now cross multiply the -30 and the 8 so -30 x 8 = -240
Now take the -240 and divide it by 2
So x = -120
Answer = 120
Now cross multiply the -30 and the 8 so -30 x 8 = -240
Now take the -240 and divide it by 2
So x = -120
Answer = 120
here ,
or,
or,
or,7x²+3x-4=-4
or,7x²+3x=0
or,x(7x+3)=0
Either,x=0| Or,7x+3=0
|or,7x=-3
|or,x=
So , the solution set is S={0,-