Plssss I need answerss

Answer:
2x³-14x²+22x
Step-by-step explanation:
a=1/2bh
Substitute the given
a= (x²-7x+11)(4x) 1/2
Reduce the number with the gcf "2"
= (x²-7x+11)(2x)
Distribute 2x through the parenthesis
a= 2x³-14x²+22x