Q. 45.0( 2 Votes )

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Answer :

Given:

To find: value of x


We know that,




(x + 1)(x + 2) – (x – 3)(x – 1) = (4)(3) – (1)(-1)


x2 + 2x + x + 2 – [x2 – x – 3x + 3] = 12 + 1


x2 + 3x + 2 – x2 + 4x – 3 = 13


7x – 1 = 13


7x = 14


x = 2


Hence, the value of x is 2


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