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.

Answer Link

Otras preguntas

In an experiment, the hypothesis is If the wavelength of the light shining on a plant is shortened, the rate of photosynthesis is slowed down. If this experimen

A number is42,300 when you multiplied by 10. Find the product of this number and 500

what is a reasonable estimate for the height of a classroom door in meters

The difference of 10 and a number w is no more than 8

write the equation in function form 4x + y = -10 (I have 11 more of these other kinds of questions) :(

What was the key characteristic that determined who received goverment jobs un ser the spoils system

DEFG is a rectangle. Find the value of x and the length of each diagonal if DF = 2x – 1 and EG = x + 3.

A certain compound is made up of one phosphorus (P) atom, three chlorine (Cl) atoms, and one oxygen (O) atom. What is the chemical formula of this compound?

Who was probably the most well-known progressive leader at the state level?

What was the latest war india had? Like what year?