Answer:
Step-by-step explanation:
P = 4x(x - 3) + 4y(y - 3) + 8xy
= 4x² - 12x + 4y² - 12y + 8xy
= (4x² + 8xy + 4y²) - (12x + 12y)
= 4(x² + 2xy + y²) - 12(x + y)
= 4(x + y)² - 12(x + y)
x+y =2 ⇒ P = 4.2² - 12.2 = 16 - 24 = -8
Answer:
9-5 or 1/4-5
Step-by-step explanation:
Answer:
a. m=3
b. m= -1/4
c. m= 0.25
d. m= 7
Step-by-step explanation:
y=mx+b
Answer:
5-7 x = 2
Step-by-step explanation:
a number times negative seven added to five equals two
