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Mekhi Sims
Mathematics
26 October, 05:44
Solve by factoring s^2-14s+45=0
+3
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1
)
Stella Bradshaw
26 October, 06:07
0
s = 5, s = 9
Step-by-step explanation:
To factor the quadratic
Consider the factors of the constant term (45) which sum to give the coefficient of the s - term ( - 14)
The factors are - 9 and - 5
since - 9 * - 5 = + 45 and - 9 - 5 = - 14, hence
s² - 14s + 45 = 0
(s - 9) (s - 5) = 0
Equate each factor to zero and solve for s
s - 9 = 0 ⇒ s = 9
s - 5 = 0 ⇒ s = 5
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