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3x^2 + 7x = 6 NEED HELP SOLVING QUADRATIC EQUATION
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3x^2 + 7x = 6 NEED HELP SOLVING QUADRATIC EQUATION

User Namizaru
by
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1 Answer

3 votes

Answer:


x = (2)/(3) \: \: or \: \: x = - 3

Explanation:


3 {x}^(2) + 7x = 6 \\ 3 {x}^(2) + 7x - 6 = 0 \\ 3 {x}^(2) + 9x - 2x - 6 = 0 \\ 3x(x + 3) - 2(x + 3) = 0 \\ (3x - 2)(x + 3) = 0 \\ \\ 3x - 2 = 0 \\ 3x = 2 \\ x = (2)/(3) \\ \\ x + 3 = 0 \\ x = - 3

User FarligOpptreden
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