Question

6x² + 7x-20 by g(x) = 2x+5​

Answer 1

Step-by-step explanation:

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Answer 2

Answer:

$6 {x}^{2} + 7 - 20 = 2x - 5 \\ 6 {x}^{2} - 2x = 20 - 7 - 5 \\ {6x}^{2} - x = 8 \div 2 \\ 6 {x}^{2} - x = 4 \\ 6x - x = \sqrt{4} \\ 5x = 2 \\ x = \frac{2}{5} \\x = 0.4$