Answer:
(4x-3)(x+2)
Step-by-step explanation:
i hope it will help you
1 hour is 15m
2 hour is 30m
3 hour is 65m
4 hour is 80m
The value of x would be 5 for the model 2x+4.
Rearrange unknown terms to the left side of the equation,

Combine like terms
By calculating the sum or difference : -x = -5
Lets divide both sides of the equation by the resulting coefficient 5
So x = 5
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Learn more about algebra equations refer:
https://brainly.in/question/7037012
3.124 * 10^-4
since your decimal is coming forward you need the exponent to be negative