Answer:
10x^2 - 13x - 3
Step-by-step explanation:
(5x + 1)(2x - 3) = 10x^2 - 15x + 2x - 3 = 10x^2 - 13x - 3
Answer:
3h
Step-by-step explanation:
let time be x
total distance = 450
75x+75x=450
150x=450
x=3h
Since x represents the length (in meters), the width, which is 7 meters greater, is x +7. The product of these dimensions is the area (in square meters):
x(x +7) = 170
In standard form, the quadratic is ...
x² +7x -170 = 0
Answer:
A={x | 4n+4, n=1,2,3,...,11}
Step-by-step explanation:
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Answer:
x=4
Step-by-step explanation: