17.
2 answers:
Answer:
C. (2x – 3)(x + 5) = 0
Step-by-step explanation:
The equation in standard form should be 2x^2 + 7x - 15 = 0
Factored the expression is (2x - 3)(x + 5).
In order to find the factored portion, you must look for factors of the front number (2) to use in the front of the parenthesis and factors of the last number (-15) to go in the end.
When we use the ones that we have above, it distributes to the overall end result.
(2x - 3)(x + 5)
2x^2 - 3x + 10x - 15
2x^2 + 7x - 15
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Answer:
So total number of pieces will be 2
Step-by-step explanation:
We have given the total length of the board
It is given that Luci cuts the board into pieces of long
We length of each piece =
We have to find the total number of pieces
For finding total number of pieces we have to divide the total length of board by length of each piece
So number of pieces = 2