subtract the numbers:
subtract 9 from both sides
simplify
divide both sides by 6
decimal
Hope this helps :)
It's not the difference of squares, rather it is the square of a difference. That leaves a perfect square trinomial, which narrows your selection to two choices. An expression with 2 terms is not a trinomial, so that further narrows your selection. The appropriate choice is
... (4xy -3z)² = 16x²y² -24xyz +9z², a perfect square trinomial
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The expression you have in your problem statement has no z term, so none of the choices is applicable to that one.
Answer:
45 green marbles
Step-by-step explanation:
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That is the answer. you can't simplify it.
