Question

solve
$x {}^{2} - 8x + 15 = 0$
​

Answer 1

Answer:

${x}^{2} - 8x + 15 = 0 \\ →{x}^{2} - 3x - 5x + 15 = 0 \\ →x(x - 3) - 5(x - 3) = 0 \\ →(x - 3)(x - 5) = 0 \\ \\ therefore \: x = 3 \: or \: 5$

Answer 2

Step-by-step explanation:

ײ-8× +15=0

x²=8-15

x²= 7

thus the x² = 7