Question

please solve this question​

Answer 1

$\huge \tt Solution↷$

$\red{= 8x {}^{2} - 18x - 15 }\\ \green{ = (2x - 5)(4x+ 1)}$

Answer 2

Answer:

$18x {}^{2} - 18x - 5 \\ \\ 18x {}^{2} - 15x - 6x - 5 \\ \\ 3x(6x - 5) - 1(6x - 5) \\ \\ 3x - 1 = 0 \\ \\ 3x = 1 \\ x = \frac{1}{3} \\ \\ 6x - 5 = 0 \\ 6x = 5 \\ x = \frac{5}{6}$

hope help you dear