Question

The product of two rational numbers is -9. If one of the numbers is -12. Find the others?

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Answer 1

sum of 2 rational numbers= -9

One number= -12

let other number = x

A.T.Q

x+ (-12) = -9

=> x-12 = -9

=>x= -9 - 12

=>x= -21

Answer 2

Answer:

$x \times y = - 9 \\ x = - 12 \\ \\ - 12 \times y = - 9 \\ y = - 9 \div - 12 \\ y = 3 \div 4$