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Mathematics
Nico Bush
18 June, 18:47
Consider the Equation
x^2-10x-11=0
+1
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2
)
Kiana Shields
18 June, 19:37
0
x = - 1, x = 11
Step-by-step explanation:
Given
x² - 10x - 11 = 0
Consider the factors of the constant term ( - 11) which sum to give the coefficient of the x - term ( - 10)
The factors are - 11 and + 1, since
- 11 * 1 = - 11 and - 11 + 1 = - 10, thus
(x - 11) (x + 1) = 0
Equate each factor to zero and solve for x
x - 1 = 0 ⇒ x = 11
x + 1 = 0 ⇒ x = - 1
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Jaelyn Acosta
18 June, 22:15
0
Answer: x^{2} - 10x - 11 = 0
x^{2} - 10x = 11
x = - 1
; - 1^{2} - 10 (-1) = 11
1 + 10 = 11
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