add. (5r^4-3r^3+3r^2+14r-8)+(r^5+8r^3+7r^2-3r+5)+(-8r^4+r^2-8r-9)the answer I came up with is r^5-3r^4+5r^3+11r^2+3r-12.
This is my first time doing this can someone help me to see if this is correct.That is one whole equation.
I agree with your answer. Nice job!
thanks
How to solve multiply out
s(s+1)(s+2)(s+5)
Sure, I can help you verify if your answer is correct.
To add polynomials, you need to combine like terms. Like terms have the same variables with the same exponents.
Let's simplify the expression step by step:
First, let's group the like terms:
(5r^4 - 3r^3 + 3r^2 + 14r - 8) + (r^5 + 8r^3 + 7r^2 - 3r + 5) + (-8r^4 + r^2 - 8r - 9)
Combine the terms with the same exponent and variable:
(r^5) + (5r^4 - 8r^4) + (-3r^3 + 8r^3) + (3r^2 + 7r^2 + r^2) + (14r - 3r - 8r) + (-8 - 9 + 5)
Simplify further:
r^5 - 3r^4 + 5r^3 + 11r^2 + 3r - 12
Now let's compare this simplified expression with the answer you came up with: r^5 - 3r^4 + 5r^3 + 11r^2 + 3r - 12.
Since both expressions are the same, you can conclude that your answer is correct.
Great job on your first time performing polynomial addition!