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wariber [46]
3 years ago
6

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

Mathematics
1 answer:
inysia [295]3 years ago
4 0

Answer:

x =  \frac{2}{3}  \:  \: or \:  \: x =  - 3

Step-by-step 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 =  \frac{2}{3}   \\  \\ x + 3 = 0 \\ x = -  3

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