2 answers:
Answer:
c
Step-by-step explanation:
just take out the brackets and add the like terms.
Answer:4x^2 + 3x + 4
Step-by-step explanation:
x^2 + 2x + 3 + 3x^2 + x + 1
collect like terms
(x^2 + 3x^2) , (2x + x) , ( 3+1)
4x^2 + 3x + 4
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5x-15-2x=6
3x=21
x=7
Therefore, x must equal 7.
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Tile costs $28 per square meter. how much will it cost to cover the counter top with new tile?( 4.36 square meters)
28 x 4.36 = $122.08
Answer:
(4,-1)
Step-by-step explanation:
Answer:

Step-by-step explanation:
Hope that this is helpful .
Have a great day.