Question

Using suitable identity, find the value of:
86 x 86 x 86 + 14 x 14 x 14/86 x 86 - 86 x 14+14 x 14
help me plzz HALF/YEARLY from today!!

for 15 points​

Answer 1

Answer:

86^3+14^3

----------------------------

86^2-86×14+14^2

(86+14)(86^2-86×14+14^2)

=------------------------------------------

(86^2-86×14+14^2)

=(86+14)=100

Answer 2

Answer:

your answer is 100

Step-by-step explanation:

$\frac{ {86}^{3 } + {14}^{3} }{ {86}^{2} - 86 \times \: 14 + {14}^{2} } \\ = \frac{(86 + 14)( {86}^{2 } - 86 \times 14 + {14}^{2} }{ {86}^{2} - 86 \times 14 + {14}^{2} } \\ = 86 + 14 \\ = 100$

hope it will help you ☺️