81k^2 - m^2 factors to
(9k + m)(9k - m)
Prove this by FOILing.
First - 81k^2
Outer - (-9km)
Inner - 9km
Last - (-m^2)
Put it into equation form
81k^2 - 9km + 9km - m^2
And combine terms to get the original equation,
81k^2 - m^2.
⭐ Answered by Hyperrspace (Ace) ⭐
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Hello! I've noticed that this question hasn't been answered in a week, by now. If you still need the answers, here they are.
5) you need to use the Pythagorean theorem to get the answer. I got C) 5x + x<span>√17
6) Your answer choice would be C) 4</span><span>√6/ 3
Good luck. x</span>
5/4 is twice as big as 5/8.
5/4 = 10/8
Answer:
A
Step-by-step explanation:
only Ali's way would work in this situation. since there is a 5 on the right side, you can not use the zero product property. this only works if the right side is 0. so, you must use Ali's method.
