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Divide 12 into two parts such that their product is 32. - Mathematics

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Question

Divide 12 into two parts such that their product is 32.

Sum
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Solution

Let the two parts be x and 12 − x.

Given that their product is 32:

x(12 − x) = 32

12x − x2 = 32

x2 − 12x + 32 = 0

(x − 4) (x − 8) = 0

x = 4 or x = 8

The two parts are:

4 and 8​

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Chapter 5: Quadratic equations - Exercise 5E [Page 91]

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Nootan Mathematics [English] Class 10 ICSE
Chapter 5 Quadratic equations
Exercise 5E | Q 6. | Page 91
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