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If 36 × 44 = x, then find the value of x.

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If 36 × 44 = x, then find the value of x.


1. 1644
2. 1464
3. 1584
4. 1854
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Correct Answer - Option 3 : 1584

Given:

36 × 44 = x

Formula Used:

(a – b) × (a + b) = a2 – b2

Calculation:

36 × 44 = x

⇒ (40 – 4) × (40 + 4)

⇒ (40)2 – (4)2

⇒ 1600 – 16

⇒ 1584

∴ The value of x is 1584.

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