Bomarie02 Bomarie02

01-10-2019
Mathematics

contestada

Factor completely 49x^2 - 81
(7x+9)^2
(7x-9)^2
(7x+9)(7x-9)
7x-9

Respuesta :

surjithayer10otahza surjithayer10otahza

01-10-2019

Answer:

Step-by-step explanation:

[tex]x^{2} -y^{2} =(x+y)(x-y)\\49x^{2}-81=(7{x})^2-{9}^2=(7x+9)(7x-9)[/tex]

Answer Link

Otras preguntas

math algebra Please help pick the best answer please

"a sample of helium gas at 27.0 °c and 4.20 atm pressure is cooled in the same container to a temperature of -73.0 °c. what is the new pressure?"

Which of the following is the solution to 3/x + 2/(x+1) = 3/5x? -11/6 -6/11 11/6 6/11

From her research, susan mayer concluded that it was not poverty, but rather ____________ that really mattered.

A quadrilateral is graphed in the coordinate plane below. Which classification best describes the quadrilateral (parallelogram, rhombus, etc.)?

PERGUNTA 6 A sociedade humana é composta por organizações que fornecem os meios para o atendimento das necessidades das pessoas. Serviços de Saúde, água e energ

Who is on American side in World War I

i need a free flashdrive can anyone tell me any website links so i can get one for free????

How do I get home? A sentence or a fragment

For the first hundred years after the European rivals Japan experienced : select all that apply 1. Admiration from the Europeans because of their find crafts