Question

write the pair of integer in which multiplication is (-45)and difference is 12​

Answer 1

Step-by-step explanation:

SOLUTION

TO DETERMINE

The pair of integer in which multiplication is (-45) and difference is 12

EVALUATION

Here it is given that for the given pair of integers difference is 12

Let the integers are x and x +

12

Now their multiplication is 45

So by the given condition

x(x+ 12) = 45

» x2 + 12x = 45

x2 + 12x 45 = 0

x2 + 15х Зх — 45 — 0 -

+ x(x+ 15) – 3(x+15) = 0 -

(x+15)(x – 3) = 0

x=-15, 3

When x = - 15 the pair of integers are - 15 , - 3

When x = 3 the pair of integers

are 3, 15

FINAL ANSWER

Hence the required pair of integers are

- 15 , - 3

• 3, 15