Expand and Simplify (2 + √5 )(1 – √5 ) – InterviewSolution

1.

Expand and Simplify (2 + √5 )(1 – √5 )

Answer»

Step-by-step EXPLANATION:

(2 + √5 )(1 – √5 )

2(1-√5)+√5(1-√5)

2-2√5+√5-(√5)^2

2-√5-5= -3-√5

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