Question

Please answer as soon as possible.
• I NEED EXPLAINATION​

Answer 1

Answer:

3

Step-by-step explanation:

Hope it helps ❤️ Plz mark it as brainliest answer!!!

Answer 2

Answer:

$a \: = 3$

Step-by-step explanation:

$x - 4 \: is \: a \: factor \: so \: x = 4$

PUT x=4 in above equation

U WILL GET

${4}^{2} - a(4) - 4 = 0$

AFTER SOLVING IT

U WILL GET

$a = 3$