1 1/3 hours. 3/4 plus 7/12 equals 1 1/3. Hope this helps
Answer:
Step-by-step explanation:
Answer:
simplify = 220x^2+2f−6x−14
factor = 2(110x^2+f−3x−7)
Hello :
y = 3x²+9x
= 3(x² + 3x )
= 3 ( x² +2(3/2)x +(3/2)²) -(3/2)²)
= 3((x+3/2)² -9/4)
y = 3 (x+3/2)² -27/4
<span>the x-coordinate of the vertex is : - 3/2</span>