Seudónimo Seudónimo
  • 15-12-2020
  • Mathematics
contestada

What is the solution(s) to the equation? Use algebra only, no graphing.
(5x + 15)(x - 7) = 0

Respuesta :

Аноним Аноним
  • 15-12-2020

Answer:

x = -3, x = 7

Step-by-step explanation:

( 5x + 15 ) ( x - 7 ) = 0

5x + 15 = 0

5x = -15

x = -3

x - 7 = 0

x = 7

Answer Link
brightkidpoprop
brightkidpoprop brightkidpoprop
  • 15-12-2020

Answer:

x=−3 or x=7

Step-by-step explanation:

(5x+15)(x-7)=0

5x2−20x−105=0

5(x+3)(x−7)=0

x+3=0 or x−7=0

x=−3 or x=7

Answer Link

Otras preguntas

Which of the following is true of the Supreme Court's decision in Brown v. Board of Education of Topeka? A. It ruled that desegregation was a state issue, but t
What number multiplies to ___ but adds to ___? 1.) Multiplies to -60 but adds to 4. 2.) Multiplies to 40 but adds to 3.
What are causes and effects of unemployment?
write 3.48 repeating as a fraction and write 1.07 repeating as a fraction
a store advertises that customers can take 25%off the original price and then take an extra 10%off is this 35% of? explain
Which city was the capital of South Vietnam from 1954 to 1975? Ho Chi Minh City Hanoi Saigon Da Nang
how many miles does the huang-he river stretch across northern china?
Select all choices that apply. 7. (1 pt) Mark the statement if it accurately describes Magellan’s expedition. A. Three of the original five ships returned home
(8x-5) (2x) (3x-10). what is the largest angle??
The only two-digit prime with each digit the same