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lakkis [162]
3 years ago
9

By using the completing the square method pls with the full procedure by solving it​

Mathematics
1 answer:
Sphinxa [80]3 years ago
7 0

Answer:

1.10 {x}^{2}  - 13x - 3 = 0 \\ product \:  = 10 \times  - 3 \\  =  - 30 \\ sum \:  = 13 \\ factors \:  = ( - 15  \: \: 2) \\ 10 {x}^{2}  - 15x + 2x - 3 = 0 \\ 5x(2x - 3) + 1(2x - 3) = 0 \\ (5x + 1)(2x - 3) = 0 \\ either \: 5x + 1 = 0 \\ 5x =  - 1 \\ x =  -  \frac{1}{5}  \\ or \: 2x - 3 = 0 \\ 2x = 3 \\ x =  \frac{3}{2}  \\ x = 1.5 \\ 2. {x}^{2}  - 2x + 1 = 0 \\  product \:  = 1 \\ sum \:  =  - 2 \\ factors \: ( - 1 \:  - 1) \\  {x}^{2}  - x - x + 1 = 0 \\ x(x - 1) - 1(x - 1) = 0 \\ (x - 1)(x - 1) = 0

Step-by-step explanation:

HOPE THAT THIS IS HELPFUL.

HAVE A GREAT DAY.

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