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Course: Class 10 > Unit 2

Lesson 5: Quadratic equations word problems
Math
Class 10
Quadratic equations
Quadratic equations word problems
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Quadratic equations word problems (advanced)

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Problem

A two-digit number is such that the product of its digits is 14.
When 45 is added to the number, the digits interchange their places.
Let the units digit of the initial number be y.
Write an equation in y.
Note: You don’t need to input the equation in quadratic form.