marichuysandoval marichuysandoval
  • 02-11-2020
  • Mathematics
contestada

Solve this quadratic: 2x^2 – 5x – 7 = 0

Respuesta :

Vitapinkk Vitapinkk
  • 02-11-2020

Answer:

Step-by-step explanation:

2x^2-5x-7=0

2x^2+2x-7x-7=0

2x(x+1)-7(x+1)=0

(x+1)(2x-7)=0

  • X+1=0⇒x=-1
  • 2x-7=0⇒x=7/2
Answer Link

Otras preguntas

state Newton's laws of motion​
10 cm3 of metallic cylinder has a mass of 39.35 g. The density of this cylinder is Group of answer choices 3.935 g/cm3 39.35 g/cm3 10 g/cm3 5.935 g/cm3
Probability please help
Write an inequality that represents the graph
One disadvantage of telecommuting is feeling socially isolated. Please select the best answer from the choices provided T F
The mZ3=12x-30 and mZ1=8x-6. Find the value of x.
Choose the symbol that makes a true statement. -3.8 _____ 0.1 > =
7) Kameron has a starting balance in his checking account of $621.83. He uses his debit card to purchase concert tickets for $85.32 and spent $25.07 on snacks a
Why do people say the earth is Flat when its clearly a circle.
b/4 = 2 solving one-step equations​