12-3=9 there is only 1 way to find 12-3
Answer:
-6x+13
Step-by-step explanation:
7x+9-13x+4
7x-13x+9+4
-6x+9+4
-6x+13
Answer:
y = 3x^2 + 12x + 8
Step-by-step explanation:
To rewrite in standard from by expanding the equation using the distributive property.
y= 3 (x+2)^2 - 4
y = 3(x^2 + 4x + 4) - 4
y = 3x^2 + 12x + 12 - 4
y = 3x^2 + 12x + 8