Question

factorise X raise to power 6 + 5 x + 8​

Answer 1

Step-by-step explanation:

Sol: x6 + 5x3 + 8 = (x)6+ 5x3 + 8 + x3 - x3 = x6 + 6x3 + 8 - x3 [By adding and subtracting x3 on both sides] = (x2)3+ (2)3+ (-x)3 - 3 × (x2) ...

Answer 2

Answer:

6+5x+8=0

14+5x=0

5x=-14

x=-14/5

x=-2.8