2. Solve the following quadratic equations using quadratic formula
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this is your answer i hope u understand
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Hi there !!
D= b²-4ac
D = (-11)² - 4(15)(2)
D = 121 - 120
D = 1 ( roots r real )
We get ,
X = -b ± √D / 2a
X = -(-11) +1 /30
x= 11 +1/30
x =331/30
In another case , x = -11+1/30
so x =-330/30
x=-11
Thanks !
D= b²-4ac
D = (-11)² - 4(15)(2)
D = 121 - 120
D = 1 ( roots r real )
We get ,
X = -b ± √D / 2a
X = -(-11) +1 /30
x= 11 +1/30
x =331/30
In another case , x = -11+1/30
so x =-330/30
x=-11
Thanks !
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