Answer:
1st option
Step-by-step explanation:
4 ÷ 2 ( change mixed numbers into improper fractions )
= ÷
To perform the division
leave 1st fraction, change ÷ to × , turn 2nd fraction ' upside down'
= ×
100 is the correct answer
7(x+4)=0
7x+28=0
7x=-28
X=-28/7
X=-4
The first step is to square root both sides to get the exponent out. that actually is the only step :)