Seudónimo Seudónimo
  • 02-12-2020
  • Mathematics
contestada

Find all real values of x that satisfy the equation x^2 - 7x = 98.

Respuesta :

cmonahan cmonahan
  • 02-12-2020

Answer:

-7 and 14

Step-by-step explanation:

x^2-7x=98

subtract 98 so that the equation equals 0

x^2-7x-98=0

factor out the equation finding numbers that subtract or add to 7, which would be 14 and 7 as they multiply to 98 and subtract to 7.

(x+7)(x-14)=0

solve for zero

x+7=0 -> x= -7

x-14=0 -> x= 14

Answer Link

Otras preguntas

The process by which a soil nutrient is reduced and released to atmosphere as a gas
What type of protein penetrates to the interior of the plasma membrane but does not extend all the way through it?
What percent of 52 is 12? Round answer to the nearest tenth.
w=5+3(x-1) what is x
What is 13 divided by 1369 showing work
Why is cellular respiration and photosynthesis difficult to understand?
If sale price of a shirt after giving 8% is RS.161,then find the written price? (By the written price means cost price)
Health impact assessment: a tool to help policy makers understand health beyond health care
How did hitler feel about the treaty of Versailles and its effects on Germany?
How did the Egyptian Empire continue to grow and thrive?