Answer:
The equivalent expression is 3x^5-9x^3-2
Step-by-step explanation:
To find the equivalent expression, we need to
open up the brackets;
Thus;
x^2(3x^3 -2x) - (7x^3 + 2)
= 3x^5 -2x^3 -7x^3 -2
= 3x^5 -9x^3-2
yes
It is a parabola, Every y has a unique x value
50
(14*14)+(48*48)=c2
196+2304=2500
squared root of 2500=50
10 groups
because 30 divided by 3 is 10