Question

Substituindo x = 4 na equação, temos:



x² – 10x + 24 = 0

Answer 1

$x^{2} -10x+24=0 \\ \\ x = 4 \\ \\ 4^{2} -10.4+24=0 \\ \\ 16-40+24=0 \\ \\ -24+24=0 \\ \\ 0=0$

Answer 2

4^2-10*4+24=0
16-40+24=0
40-40=0
0=0