Factor this polynomial completely.
x^2-81
2 answers:
The answer to your question is (x+9)(x-9)
Step-by-step explanation:
Rewrite 81 as 92
x2−92
Since both terms are perfect squares, factor using the difference of squares formula, a2−b2=(a+b)(a−b)
where a=x and b=9
(x+9)(x−9)
Hope this helped you out:)
Answer:
a=x and b=9
(x+9)(x−9)
Explanation:
Since both terms are perfect squares, factor using the difference of squares formula, a2−b2=(a+b)(a−b)
You might be interested in
Answer: B) reflection over the y-axis
Y=-3x+-1. you subtract (-4)-(-1) =3 and 1-0 and you get 1 . so the slope is 3 over 1 . and the y intercept is -1
Answer:
124.5
Step-by-step explanation:
All you need to do is multiply.
15*8.3=124.5
This is because The total water in Ari's fish tank has 15 gallons, and each gallon has 8.3, so you multiply.
Answer:
The answer is 6
Step-by-step explanation:
p(x) = x + 3
p(-x) = -x + 3
=> p(x) + p(-x) = x + 3 + (-x) + 3 = 6
Hope this helps!
:)
