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:
Theres a website that can help
Step-by-step explanation:
Answer:
Angle D= 140
Step-by-step explanation:
7x+7x+ 4x+4x+7x+7x= 720
36x=720
x= 20
Answer:
B. x= -2
Step-by-step explanation:

★ 15 trucks can carry 26,850 kg weight
★ We've to find the weight carried by one truck




Therefore , the weight carried by one truck is 1790 kg