It should open up because the a which is 4 is positive
Answer:
x^2 ×1 2x + 36
Step-by-step explanation:
area of a square = L × B
= (x+6) (x+6) since a square has 4 equal sides, it becomes (x+6) (x+6)
= x(x+6) +6(x+6)
= x^2 + 6x + 6x +36
= x^2 + 12x +36 added all the like terms 6x + 6x = 12x
hope this helps ☆☆☆
Answer:
33
Step-by-step explanation:
Pls vote my answer as brainliest
Answer:
x=-7
Step-by-step explanation:
divide 12 on both sides and that equals -7
Answer: 80
Step-by-step explanation:
Multiple 8 x 10