jpickney66
jpickney66 jpickney66
  • 14-01-2020
  • Mathematics
contestada

Factoring Quadratic Expressions.?
i need help asap
x2 – 7x – 18

Respuesta :

jimrgrant1 jimrgrant1
  • 14-01-2020

Answer:

(x - 9)(x + 2)

Step-by-step explanation:

Given

x² - 7x - 18

Consider the factors of the constant term (- 18) which sum to give the coefficient of the x- term (- 7)

The factors are - 9 and + 2, since

- 9 × 2 = - 18 and - 9 + 2 = - 7, thus

x² - 7x - 18 = (x - 9)(x + 2)

Answer Link

Otras preguntas

f(x)= 2lxl? (graphing absolute values) I'm a little confused.
345 ft/min = ___________ ft/h
how do you answer this question y = 9 - 5x                                                         -3 = x
what is 36/63 in simplest form?
Find the height h of the parallelogram.
Theo had a balance of -4 in his savings account. After making a deposit , he has $25 in his account . What is the overall change to his account ?
How does photosynthesis affect carnivores?
For a chemical reaction it is usually found that the reaction rate is faster at higher temperature. The rate increases because (a) the concentrations of reacta
What is the algebraic express:8 divided by the cube of y
2|x − 6| + 14 = 38 wont it give me x=18 and x=6 or ?