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Chapter 8: Q 146 (page 940)

Subtractz2z+2-4z+2

Short Answer

Expert verified

The required expression isz-2

Step by step solution

01

Given information

The expression given isz2z+2-4z+2

02

Simplifying the expression

The given expressions have the same denominators, combining the terms:

z2-4z+2

Factorizing the numerator:

(z+2)(z-2)z+2

Cancelling the common factor from numerator and denominator:

z-2

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