Answer:
<u>Use the following identity:</u>
- a³ + b³ + c³ = 3abc if a + b + c = 0
<u>Substitute:</u>
<u>and get:</u>
- (3x)³ + (5y)³ + (4z)³ = 3(3x)(5y)(4z)
- 27x³ + 125y³ + 64z³ = 180xyz
The factored form would be (3x-9)(x-1)
The picture should help a bit
Answer:
It's 2 7/20 and 2 35/100
Step-by-step explanation:
The 2nd and 4th one because they both convert to 2 35/100