(3a-7)^2
1. 9a^2-21a-21a+49
2. 3a(3a-7)-7(3a-7)
3. (3a-7)(3a-7)
4. Combine like terms
Answer:
X²-10x-10
Step-by-step explanation:
(x+5)(x-2) Solve by factoring the polynomial
X²-10x-10 Solve and simplify
Answer:
91
Step-by-step explanation:
3 x 3 x 3 x 3 + 2 x 5 =
9 x 3 x 3 + 2 x 5 =
27 x 3 + 2 x 5 =
81 + 2 x 5 =
81 + 10 =
<u>91</u>
Answer:
14,460 ft.
Step-by-step explanation:
20,000 - 5,540 = 14,460
pls mark brainliest!
Answer:
x=8
Step-by-step explanation:
We first simplify both sides of the equation so it turns out like this:
(5x+x) + (3+4) =55
6x+7=55
Then we subtract 7 from both sides:
6x+7-7=55-7
6x=48
From there we divide both sides by 6:
6x/6=48/6
x=8