3 years ago

Combine and write in standard form. 2x(3x2 + 8x – 4) – 3(2x2 + x – 5)

1 answer:

7 0

Answer:

6x^3 +10x^2 -11x +15

Step-by-step explanation:

2x(3x2 + 8x – 4) – 3(2x2 + x – 5)

Distribute

6x^3 + 16x^2-8x -6x^2 -3x+15

Combine like terms

6x^3 + 16x^2 -6x^2 -3x-8x+15

6x^3 +10x^2 -11x +15

Standard form is from highest to lowest power

6x^3 +10x^2 -11x +15

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