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Which 2 numbers multiply to 36 and add up to -15?

Which 2 Numbers Multiply To 36 And Add Up To 15 class=

Sagot :

Let the numbers be: x and y

Now, we will set up the equation with the variables and given info..

[tex]x \times y = 36 \\ x + y = - 15[/tex]

Solve using the substitution method

[tex]x \times y = 36 \\ x = - 15 - y[/tex]

[tex]( - 15 - y)\times y = 36[/tex]

[tex]y = - 12[/tex]

[tex]x = - 15 - ( - 12)[/tex]

[tex]x = - 3[/tex]

Therefore, The two numbers are: -12 and -3