garzaboy06 garzaboy06
  • 01-12-2021
  • Mathematics
contestada

Where is f(x)=g(x)? Justify your answer algebraically.

Where is fxgx Justify your answer algebraically class=

Respuesta :

angelicluv angelicluv
  • 01-12-2021
54x^2+208x-308=-2x-8
54x^2+208x-308+2x+8=0
54x^2+210x-300=0
9x^2+35x-50=0 (divided both sides by 6)
9x^2+45x-10x-50=0 (wrote the 35x as a difference)
9x(x+5)-10(x+5)=0
(9x-10)(x+5)=0
Now solve the equations:
9x-10=0
x=10/9
x+5=0
x=-5

Therefore, x has two solutions, 10/9 and -5!!



Answer Link

Otras preguntas

The greenhouse effect and global warming; how are humans making this effect stronger? How do we use photosynthesis to counteract this effect?
Free P0ints! Happy New Year! Just type something to redeem 50 points!
Plot and connect the points A(2, 5), B(6, 1), C(-4, 1), and find the area of the triangle it forms. A. 20 square units B. 36 square units C. 40 square units D.
2. The grocery store charges $10.35 for 5 bags of oranges. If someone bought 9 bags of oranges, how much would it cost them?
2. The grocery store charges $10.35 for 5 bags of oranges. If someone bought 9 bags of oranges, how much would it cost them?
how to send message to someone in brainly​
Whats the least common multiple of 7, 6, 4, and 3?
Free P0ints! Happy New Year! Just type something to redeem 50 points!
5500 trees were planted in a forest on 1st October 2018. Only 5060 of these trees were still alive on 1st October 2019. It is assumed that the number of trees s
each digit in a falling jumber is less than the digit on its less. what id the lesdt falling number greater than 98,642