Answer:
The answer is (x + 3) (x - 7) = 0
Step-by-step explanation:
x² - 4x = 21
x² - 4x - 21 = 0
x² - 7x + 3x - 21 = 0
x(x - 7) + 3(x - 7) = 0
(x + 3) (x - 7) = 0
Thus, The answer is (x + 3) (x - 7) = 0
<em><u>-TheUnknownScientist</u></em>
Answer:
This equation is equivalent to 

<em>Hope this helps and have a great day!</em>
You would round up 3465 to 3470 and round up 2716 to 2720, the difference would be 750
Answer:
d=-18
a=51
x=-4
c=13/3
Step-by-step explanation:
1. subtract 6 from both sides
divide both sides by -2
2. add 2 to both sides
times both sides by 3
3. times both sides by 4
divide both sides by 9
4. multiply the 10 out into the parenthesis add the 10c and 2c to get 12 c
add 40 to both sides
divide both sides by 3
Answer:
29.85 subtracted by 50 = 20.25 (answer)
Step-by-step explanation: