justinc10 justinc10

17-03-2019
Mathematics

contestada

what are the solutions to the equation 2(a + 4)^2 -126 = 0

what are the solutions to the equation 2a 42 126 0 class=

Respuesta :

Kamikazeminem Kamikazeminem

17-03-2019

[tex]2{(a + 4)}^{2} - 126 = 0 \\ \Leftrightarrow 2{(a + 4)}^{2} = 126 \\ \Leftrightarrow {(a + 4)}^{2} = 63 \\ \Leftrightarrow a + 4 = \pm3 \sqrt{7} \\ \Leftrightarrow a = - 4\pm3 \sqrt{7} [/tex]

Answer Link

Otras preguntas

what influence does winds have in precipitation

What is the simplified form of the quantity of x plus 7, all over the quantity of x plus 3 + the quantity of x minus 4, all over 3?

Can someone help me with b?

from which source does the narrator of "Modest Proposal" get his ideas A. Merchants who calculate the value of children at about three pounds B. Doctors who hav

A recipe requires 1/2 lb of onions to make 5 servings of soup . Mark has 3 lb of onions . How many servings can mark make?

Four friends go to the movies and split the total cost between them. The total cost is $17.28 for movie tickets and $13.68 for snacks. How much should each of

How do you find the volume of a pyramid?

Based on its suffix, which is the best definition of conservation?A. The action of saving something B. The quality of saving something C. The state of saving s

Which of the following policies might help eliminate a disadvantage of renewable energy sources? A. modernizing coal power plants B. storing nuclear waste in ca

How many atoms are present in 48.60 g of Mg