Sum
Solve the following equation: 4x2 - 13x - 12 = 0
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Solution
4x2 - 13x - 12 = 0
`"x"^2 - 13/4 "x" - 3 = 0`
`"x"^2 - 4"x" + 3/4"x" -3 = 0`
`"x"("x" - 4) + 3/4("x" - 4) = 0`
`("x" - 4)("x" + 3/4) = 0`
(x - 4) = 0 , `("x" + 3/4) = 0`
x = 4 , x = `-3/4`
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