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Mathematics
Alicia Jenkins
12 July, 11:20
Solve the following quadratic equation
(X+12) ^2=1
+1
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2
)
Rowan Gallegos
12 July, 11:35
0
-11 and - 13
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Jaylyn Pierce
12 July, 11:37
0
x = - 11 and - 13
Step-by-step explanation:
expanding the equation
x²+24x+144 = 1
x²+24x+143=0
(x+a) (x+b) = 0, where ab = 143 and a+b = 24
11X13 = 243 11+13 = 24
(x+11) (x+13) = 0
x + 11 = 0; x = - 11
x + 13 = 0, x = - 13
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