Answer:
![\sqrt[-4]{14}](https://tex.z-dn.net/?f=%5Csqrt%5B-4%5D%7B14%7D)
Step-by-step explanation:
Answer: 2x-3=15
2(9)-3=15
18-3=15
Answer:
<u>√21 + 3√2 - √35 - √30</u>
Step-by-step explanation:
<u>Given :-</u>
√3 - √5 / √7 - √6
<u>Solving :-</u>
= √3 - √5 (√7 + √6) / √7 - √6 (√7 + √6)
= √21 + √18 - √35 - √30 / 7 - 6
= √21 + 3√2 - √35 - √30
<u>Solution :-</u>
<u>√21 + 3√2 - √35 - √30</u>
Answer:
-12.8x - 20y + 8.4
Step-by-step explanation:
To do this you just multiply everything by negative 4
so we have 3.2x*-4 + 5y*-4 - 2.1*-4
This gives us
-12.8x - 20y + 8.4
The last term is positive because we multplied a negative by another negative