Question

(18x5 + 6x4 - 12x 3) = 6x2

Answer 1

x=0 or x=0.871157

Explanation:

Step 1:

18x5+6x4−12x3−6x2=6x2−6x2

=

18x5+6x4−12x3−6x2=0

Step 2:

6x2(3x3+x2−2x−1)=0

Step 3:

6x2=0 or 3x3+x2−2x−1=0

x=0 or x=0.871157

Answer 2

78=12

I hope this help because i love helping out