Answer:
Step-by-step explanation:
x(7x^2+4x) can be expanded by multiplying each of the two terms inside the parentheses by x:
x(7x^2+4x) = 7x^3 + 4x^2
40x7=280
Your answer is $280
Hope this helped :D
~xo Melis
Answer:
2253.75
Step-by-step explanation:
It would have a decimal because these numbers are not equal :D