Question

5--1939
8x2 + 15 = 26x​

Answer 1

Answer:

$8 {x}^{2} + 15 = 26x$

$8 {x}^{2} - 26x + 15 = 0$

$8 {x}^{2} - 20x - 6x + 15$

$4x( 2x - 5) - 3(2x - 5) = 0$

$(2x - 5)(4x - 3) = 0$

$2x - 5 = 0 \: \: or \: 4x - 3 = 0$

$x = \frac{5}{2} \: \: or \: x = \frac{3}{4}$