bublyjav bublyjav

03-06-2022
Mathematics

contestada

Factor: 5x2 – 15x – 20.

(a) 5(x-4)(x+1),

(b) -2(x-4)(x+5),

(c) -5(x+4)(x-1),

(d) 5(x+4)(x+1).

Respuesta :

loneguy loneguy

03-06-2022

Answer:

[tex]a)~5(x-4)(x+1)[/tex]

Step-by-step explanation:

[tex]~~~5x^2 -15x -20\\\\=5(x^2 -3x -4)\\\\=5(x^2 -4x +x -4)\\\\=5\textbf{[}x(x-4) +(x-4)\textbf{]}\\\\=5(x-4)(x+1)[/tex]

Answer Link

Otras preguntas

In a random sample of 250 students, 150 were in favor of longer hours at the school library. At 98% level of confidence, what is the margin of error? Select one

Read the excerpt from A Long Walk to Water The pain was terrible. Salva tried to bite his lip, but the awfulness of that never-ending day was too much for him.

Write this number in standard form: 5,000,000 + 200,000+ 8,000 + 400+60+9

What is the value of 8+ h² when h = 3?

Expand & simplify 6 ( p + 6 ) + 2 ( p + 4 )

Please answer I will mark u brainliest or wtv its called

In chapter 8 of The Hound of the Baskervilles, why does Dr. Watson believe that the escaped convict is no longer of concern?

7. Solve the inequality. c – 12 > –1 c < –13 c > 11 c > –13 c > 13

graph g(x) = -8|x| +1

they paint their house every year ( change to passive voice )