MaylaniT174871
MaylaniT174871
30-10-2022
Mathematics
contestada
dentify the factors of x2 − 4x − 21.
Respuesta :
PetraI364177
PetraI364177
30-10-2022
SOLUTION
Identify the factors of x2 − 4x − 21.
[tex]x^2-4x-21[/tex]
Factorise the equation
[tex]\begin{gathered} x^2-4x-21 \\ x^2+3x-7x-21 \\ x(x+3)-7(x+3) \\ (x+3)(x-7) \end{gathered}[/tex]
The solutions of the equation
[tex](x+3)(x-7)[/tex]
Answer Link
VER TODAS LAS RESPUESTAS ( 28+ )
Otras preguntas
NEED ANSWER ASAP Which best explains the difference between an element and a compound? A. Elements cannot occur naturally, while compounds naturally occur. B. E
Tiana replaced one Third of the buttons on her coat . If she replaced a total of 3 buttons,how many buttons are on tianas coat in all.
What are the central concerns of economics? A) How to get money and how to keep it. B) Resource use, production, and distribution of goods and services. C
Why are most firms sole proprietorships -- what advantages do they have over other types of organizations? A. They are easily formed, management is in one perso
The Mayflower Compact differed from the Magna Carta in that it A proposed rejecting the king altogether, rather than putting limits on the king's power B includ
Which of the following describes the aspects of colonial America most heavily influenced by African slaves? Agriculture, art, music, and cuisine -Architecture,
What is the simplest form for 21/18
what is 2000 grams equal to in kilograms
Which behavioral change results in a decreased activity level? switching from walking to taking the bus switching from driving to taking the train switching fr
Organisms living in an ecosystem depend on the ecosystem’s abiotic factors to survive. Which of the following could be considered an abiotic factor? A. plants B
