Answer:
4x² - 3x, Area = 370 in²
Step-by-step explanation:
area of parallelogram: base * height
Here given base is x, height is [ 4x - 3 ]
Find area using formula:
( 4x - 3 ) ( x )
4x² - 3x
If the base length which is x is 10, put 10 as x:
4x² - 3x
4(10)² - 3(10)
4(100) -30
400 - 30
370 in²