nartle109 nartle109

26-03-2020
Mathematics

contestada

I used a calculator and have solved it without. I didn't get any of these answers. HELP

I used a calculator and have solved it without I didnt get any of these answers HELP class=

Respuesta :

PollyP52 PollyP52

26-03-2020

Answer:

-9 + 7√5.

Step-by-step explanation:

(3 - √5)(2 + 3√5)

= 3(2 + 3√5) - √5(2 + 3√5))

= 6 + 9√5 - 2√5 - 15

= -9 + 7√5.

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