Answer:
Step-by-step explanation:
Given
x² - 3x
add ( half the coefficient of the x- term)²
x² + 2(- 
)x + (- )²
= (x - )² +
Answer:
0
Step-by-step explanation:
The most complex sentence is c.
Answer:
<h2>7x + 3</h2>
Step-by-step explanation:
The circumference of any polygon is equal to the sum of the lengths of the sides of this polygon.
Therefore
P = 2x + (x + 5) + (4x - 2) <em>combine like terms</em>
P = (2x + x + 4x) + (5 - 2)
P = 7x + 3
Answer:
There are, 13 yellow marbles and 7 blue marbles
Step-by-step explanation: 7 x 7 = 14 - 1 = 13 = 7 = 20 you're welcome
