Express in completed square form x 2 + 6x + 20
1 answer:
Answer:
(x + 3)² + 11
Step-by-step explanation:
Given
x² + 6x + 20
To complete the square
add/subtract ( half the coefficient of the x- term )² to x² + 6x
x² + 2(3)x + 9 - 9 + 20
= (x + 3)² + 11
You might be interested in
Answer:
-31/9
Step-by-step explanation:
Bring -5/9 to other side
-4 is also written as -3 9/9
-3 9/9 + 5/9 = x
-3 4/9 = x
3(2-4x)+4x>17
Opening the brackets;
6-12x+4x>17
-8x+6>17
-8x>17-6
-8x>11
x<
-10m^9 - 4m^8 - 12m^6 - 5m^5 - 2m^4 - 6m^2
-------------------------------- =
2m^4
Answer:
5/10= 1/2 4/12=1/3
3/9= 1/3
Step-by-step explanation:
Because 7x equals 7x. Its not less than it if it equals it.