ariannasmith006 ariannasmith006

05-04-2022
Mathematics

contestada

What are the solution(s) for the following quadratic equation?
f(x)=5x^2+2x-7

Please show work!

Respuesta :

Аноним Аноним

05-04-2022

[tex]\\ \rm\rightarrowtail 5x^2-2x-7=0[/tex]

[tex]\\ \rm\rightarrowtail 5x^2-7x+5x-7=0[/tex]

[tex]\\ \rm\rightarrowtail x(5x-7)+1(5x-7)=0[/tex]

[tex]\\ \rm\rightarrowtail (x-1)(5x-7)=0[/tex]

[tex]\\ \rm\rightarrowtail x=1,7/5[/tex]

Answer Link

Otras preguntas

Add the following fractions.3/8 + 5/12 =

In the top row of an chessboard, Tom writes the values 1, 2, 4, 8, 16, 32, 64, 128. In the leftmost column, Tom writes the values 1, 3, 9, 27, 81, 243, 729, 2

The positive integer x is a multiple of 9 and also a multiple of 12. The smallest possible value of x is (A) 3 (B) 12 (C) 21 (D) 36 (E) 72

how can you simplify 24 --- 30

How do you find the interior angles of a triangle, if only one is given angle is given to you?

Why did the goverment ration goods for people to buy?

Which type of twins are likely to interact with each other in the womb a. Non-identical b. Identical c. neither

How far away is Canopus in kilometres?

Wanda, the Channel 1 weather person, said there was a 30% chance of rain on Saturday and a 30% chance of rain on Sunday. Should Wanda be fired? HELP PLEASE

who decided the election of 1800 and why ?