Question

In a number of two digits, the tens digit exceeds the units digit by 2. If the product of the number and the units digit is 159, find the number

Answer 1

Step-by-step explanation:

Let ,the Unit digit be x.

Then,the tens digit will be (x+2).

Original number=10(x+2)+x

=11x+20.

By the condition given,

x(11x+20)=159

11x^2+20x-159=0

Solve the equation and you will get your answer.

Hope it will help you..

Answer 2

Step-by-step explanations

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