
Your answer to this is:

<h2>→ <u>EXPLANATION :-</u></h2>
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<em>Jaceysan ~</em>
Answer:
x = - 5, x = 4
Step-by-step explanation:
Given
f(x) = x² + x - 20
To find the zeros equate f(x) to zero, that is
x² + x - 20 = 0
Consider the factors of the constant term ( - 20) which sum to give the coefficient of the x- term ( + 1)
The factors are + 5 and - 4, since
5 × - 4 = - 20 and + 5 - 4 = + 1, hence
(x + 5)x - 4) = 0 ← in factored form
Equate each factor to zero and solve for x
x + 5 = 0 ⇒ x = - 5
x - 4 = 0 ⇒ x = 4
Answer:
.
Step-by-step explanation:
38(4)+p(4)=210
152+p(4)=210
P(4)=58
58/4=14.5
It cost $14.5 for one person to rent a locker