What is x*x-2x if x = -3
1 answer:
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You have to write two equation:
'substract 22 from a number'
and:
'the result is doubled, the answer is 6 more than the original number'
then you change 'Y' in 2nd equation for left side of 1st equation:
count it and you get:
This means that X=50
The original number is 50.
'substract 22 from a number'
and:
'the result is doubled, the answer is 6 more than the original number'
then you change 'Y' in 2nd equation for left side of 1st equation:
count it and you get:
This means that X=50
The original number is 50.