Answer:
4
Step-by-step explanation:
4 is the greatest commen factor of 20 and 84
4 x 5 = 20
4 x 21 = 84
Answer:
24
Step-by-step explanation:
If you need an explaination you should immediatly remove yourself from the Gene pool, this is a 3rd grade question.
Answer:
(x+2)^{2} +5(x+2)-6=0
Let
u=(x+2)
Substitute in the expression
(u)^{2} +5(u)-6=0
therefore
the answer is
(u)^{2} +5(u)-6=0 is equivalent to (x+2)^{2} +5(x+2)-6=0
brainly.com/question/6501456
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3 wholes and one half left.
