If 75^2 - 65^2 = 2x, then value of x is:

Simplification Test 8

Question : 20 of 40

Marks: +1, -0

75^2 - 65^2 = 2x

, then value of x is:

Solution:

75^2 - 65^2 = 2x

⇒ (75 + 65) (75 – 65) = 2x

⇒ 140 × 10 = 2x

⇒ x = 70 × 10 = 700

∴ Value of x is 700.

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