Answer:
(x - 3)(x - 9)
Step-by-step explanation:
Consider the factors of the constant term (+ 27) which sum to give the coefficient of the x- term (- 12)
The factors are - 3 and - 9, hence
x² - 12x + 27 = (x - 3)(x - 9 )
Answer:
25
%
Step-by-step explanation:
te puedes subcribirte a mi canal se llama navegando con incognito
Answer:
quarters are 20 in number.
Step-by-step explanation:
Let <em>d</em> represent dimes
Let <em>q</em> represent quarters
d + q = 35
q = d+5
d+d+5=35
2d=35-5
2d =30
d = 30/2
therefore dimes =15
Substitute d for 15 to solve for q;
q=15+5
therefore quarters are 20 in number.
X^2-15x+56=0, (x-8)(x-7)=0 , therefore x= 7 or 8
