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

The coordinates of the vertices of a triangle are A(-1, 2), B(3, 1), and C(-3, -2). The coordinates of the vertices of its image are A'(3, -2), B(7, -3), and C'

If y=12 when x=15 find x when y=21

Which one to put in the next to the sentence

The ticket price, t, for a concert attended by 220 people equals the total revenue, r, divided by the number of people who attended.

who was the first president

Eighth grade AA.8 Solve a system of equations using substitution clouds Solve using substitution. 4x + 7y = 9 y = 3 ( , ) Submit

What did the Homestead Act guarantee for American citizens?

(LAW STUDIES PLZ ANSWER )Which of the following quotes from the Declaration of Independence best reflects the concept of social contract? "a decent respect to

Which of the following fonts gives a word document informal look ?

Which two parts of this passage contain a biblical allusion? So lived the clansmen in cheer and revel a winsome life, till one began to fashion evils, that fiel