Question

7.
The values of x satisfying the equation
(2x²+5x-2)-(2x²+5x-9) = 1 are
a) (2, -9/2) b) (4, -9)​

Answer 1

Answer:-

The given equation is wrong.

Reason:-

(2x²+5x-2)-(2x²+5x-9)

⇒ 2x²+5x-2-2x²-5x+9

⇒ 2x²-2x²+5x-5x-2+9                      [Rearranging (Putting like terms together)]

⇒ -2+9

⇒ 7

But, 7 ≠ 1

∴(2x²+5x-2)-(2x²+5x-9) ≠ 1

Hence, the given equation is wrong

I hope that this helped

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