lex23425 lex23425

02-05-2020
Mathematics

contestada

i need help fastttttttttttttt

i need help fastttttttttttttt class=

Respuesta :

uqyokxyzdbbkyedtcr uqyokxyzdbbkyedtcr

02-05-2020

Answer:

X = 1 ± √(-1)²+4(7)(9) / 2(7)

Step-by-step explanation:

7x² = 9+x

7x²-x-9 = 0

X = 1 ± √(-1)²-4(7)(-9) / 2(7)

X = 1 ± √(-1)²+4(7)(9) / 2(7)

Answer Link

Otras preguntas

Jacqueline practiced drums four times last week for sessions of 40 minutes, 35 minutes, 45 minutes, and 30 minutes. Cassie practiced five times last week for se

Which mode of transportation invented in the 1800s was made possible by the distilled petroleum product called gasoline? A.velocipede B.steamship C.railroad D.

what elements comprise the largest portion of Earth's biosphere?

After World War I, ________ became the largest investor in Latin America.

how to solve using substitution

Plz help me with this question

Which of the following rational numbers is closest to -3.5? a. -3 4/5 b. -3.1 c. -3 3/8 d. -3.85

In △ABC, AB=6 cm, AC=15 cm, and m∠A=48°. What is the area of △ABC? Enter your answer as a decimal. Round only your final answer to the nearest hundredth

Why are women often carriers of X-linked traits but rarely affected by them?

American businessmen seeking to import goods from European companies would have benefited the most from the invention of which of the following? George Westin