3 years ago

If using the method of completing the square to solve the quadratic equation

Mathematics

1 answer:

Flauer [41]3 years ago

8 0

Answer:

Step-by-step explanation:

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yan [13]

Answer:

b = 6

Step-by-step explanation:

$(6b - 7) \degree + 90 \degree + 61 \degree = 180 \degree \\ \\ (6b - 7) \degree + 151 \degree = 180 \degree \\ \\ (6b - 7) \degree = 180 \degree - 151 \degree\\ \\ (6b - 7) \degree = 29 \degree \\ \\ 6b - 7 = 29 \\ \\ 6b = 29 + 7 \\ \\ 6b = 36 \\ \\ b = \frac{36}{6} \\ \\ \huge \purple{ \boxed{ b = 6}}$