Answer: 
Step-by-step explanation:
Since, given 
And we know that 
Therefore, 
⇒
Thus, 
Answer:
20x² - 10x - 30
Step-by-step explanation:
Height = 5
Width = 4x² - 2x - 6
Area of rectangle = length × breadth
Area of triangle = height × width
Area = 5 × (4x² - 2x - 6)
Area = 20x² - 10x - 30
Area of the rectangle is 20x² - 10x - 30
Don’t click on that link it’s a scam
All you do is 570 multiplied by 7 on a calculator and you get your answer which is 3,990