Question

(2-root5) (2+root5) EVALUATE

PLEASE GUYS ANSWER CORRECTLY FAST!

Answer 1

Answer:

ans = -1

Step-by-step explanation:

(2-root5) (2+root5)

= 4-5

=-1

Answer 2

$(2 - \sqrt{5} )(2 + \sqrt[]{5} ) \\ = {2}^{2} - { \sqrt{5} }^{2} \\ = 4 - 5 \\ = - 1 \\ \\ \\ \\ hope \: it \: helps \: ...$

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