(r^9 - s^10) (r^18 + r^9 s^10 + s^20)
Hope this helps
Answer:
a. x = (2 -3y)/(y+3)
b. x = -4/5
Step-by-step explanation:
<h3>a.</h3>
Clear the fraction, collect x terms, divide by the coefficient of x.

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<h3>b.</h3>
Put 2 where y is and do the arithmetic.
x = (2 -3(2))/(2 +3) = (2 -6)/5
x = -4/5
Answer:
b option im not sure but
Step-by-step explanation:
Fifteen thousand six-hundred and thirty-eight