0
xy = 840
x+ y = -2
y = -2-x
x(-2-x) = 840
-2x -x^2 -840 = 0
x^2 +2x + 840 = 0
use quadratic formula:
X = -1-28.965i
Y = -1 +28.965i
i is imaginary and i squared -= -1
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What two numbers multiply to get 840 and add to get -59?
781
What can you multiply and add to get 843?
you can multiply 281 and 3 you can add 840 and 3
What two numbers do you add to get 0 and multiply to get 80?
80
What numbers do you multiply to get negative 16 but add to get 6?
22
What two numbers can you multiply to get negative twelve and add to negative one?
negative 3 and positive 4
What two numbers multiply to get 840 and add to get -59?
781
What two numbers multiply to negative 840 and add to negative 30?
870
What two numbers will multiply to 5 and add to 4?
There are no two real numbers that do, but the complex numbers (2 + i) and (2 - i) will.If you want two numbers that multiply to negative 5 and add to positive 4 then: -1 and 5If you want two numbers that multiply to negative 5 and add to negative 4 then: 1 and -5
What can you multiply and add to get 843?
you can multiply 281 and 3 you can add 840 and 3
What two numbers multiply to negative 8 but add to negative 7?
15
How do multiply a negative fraction time a positive fraction?
Multiply the numbers ignoring the signs and then add a negative sign.
What two numbers do you add to get 0 and multiply to get 80?
80
What numbers do you multiply to get negative 16 but add to get 6?
22
What two numbers can you multiply to get negative twelve and add to negative one?
negative 3 and positive 4
What two numbers add to 7 and multiply to negative 294?
301
What two numbers multiply to 150 and add to negative 55?
205
Is there an easy way to do 84 x 12?
you could multiply 84 by 10 = 840 then multiply 84 by 2 = 168 add these two numbers = 1008
