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Mathematics
Jaydan Barrett
20 July, 11:58
What numbers multiply to - 756 but when added = 1
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Mike Mckenzie
20 July, 13:12
0
So?
-756*x + x = 1?
-755 x = 1
x = - 1/755
or
what two numbers when multiplied equal - 756 but when added together equal 1?
numbers are x and y
x*y = - 756
x+y=1
rearrange the 2nd eq
y=1-x
substitute
x (1-x) = - 756
distribute
x-x^2=-756
solve for zero
x^2-x-756=0
factor/quadratic equation
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