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

Form a polynomial Degree: 4 Zeros: -1, 2, & 1-2i

What is Wells warning the people of England about in the first four chapters of The War of the Worlds?

A prism is created using 2 regular pentagons as bases. The apothem of each pentagon is 2.8 centimeters. A regular pentagonal prism is shown. The apothem of each

Me maquillo closeup image of half of a womans face with the woman holding a mascara wand in front of her lashes B) Me pongo Young woman stretching after waking

Consider the quadratic equation x² 20x + 13 = 0. - Completing the square leads to the equivalent equation (x- —)² = —

A box has 1 red marble, 3 blue marbles, and 4 green marbles. Maya draws a blue marble randomly from the box, replaces it, and then draws another marble randomly

If AC=24, what is AB? Write an equation and solve for x first.

What is the tenth term in the sequence 9, 13, 17, 21, 25…?

The slope of a demand curve is not used to measure the price elasticity of demand because.

Correr, o perdereis el autobus