Question

(x3 + 4x2 + 12x − 13) − (-2x3 − x2 + 3x + 1) what is the simplified form

Answer 1

Answer:

3x³+5x²+9x-14

Step-by-step explanation:

(x³+ 4x²+ 12x − 13) − (-2x³− x²+ 3x + 1)

x³+ 4x²+ 12x − 13 +2x³ + x² - 3x - 1

3x³+5x²+9x-14

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