2x² +5x -3
is your answer
hope this helps
FOIL = first, outside, inside last
Answer:
20%
Step-by-step explanation:
With those changes, the fraction is multiplied by ...
That is, the value of the fraction is decreased by 20%.
Formula of the area of triangle
A=(1/2)a*b*sin(C)
a, b - sides
C- an angle between sides a and b.
Probably, this question means that you need to know sin of the angle.