27j - 6 = 14j + 7 *it has to show work*

27j-6=14j+7

Subtract 14j from both sides

27j-6-14j=14j+7-14j

13j-6=7

Add 6 to both sides

13j-6+6=7+6

13j=13

Divide both sides by 13

13j/13=13/13

j=1

I hope that's help !

- 2 + 10x³ - 21x² + 19x - 4

step-by-step explanation:

each term in the second factor is multiplied by each term in the first factor

x²(- 2x² + 4x - 1) - 3x(- 2x² + 4x - 1) + 4(- 2x² + 4x - 1) ← distribute

= - 2 + 4x³ - x² + 6x³ - 12x² + 3x -8x² + 16x - 4

collect like terms

= - 2 + 10x³ - 21x² + 19x - 4 ← in standard form