Question

3. Subtract x³ - 2x² from x²-6.

Answer 1

Answer:

- x³+3x²-6

Step-by-step explanation:

a - b means

b-a

x²-6-( x³ - 2x²)

Distribute the minus sign

x²-6 - x³ + 2x²

Combine like terms

- x³+3x²-6

Answer 2

Answer:

$\red{3 {x}^{2} - {x}^{3} - 6 }$

Step-by-step explanation:

${x}^{2} - 6 - ( {x}^{3} - 2 {x}^{2})$

First, solve the brackets.

${x}^{2} - 6 - {x}^{3} + 2 {x}^{2}$

Combine like terms.

$3 {x}^{2} - {x}^{3} - 6$