So here. I don't know how to explain so-
Answer:
Step-by-step explanation:
Add combine like terms which are 4k and 3k which =7k-14=21 then add 14 on both sides to its self and to the 21 which = 7k=35 then divide the 7 on both sides which then equals k=5
1800
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It already is in standard form
y=(x-2)(x-4) :)
I need more explanation
