1.

(-12 x⁴ + 8 + -3x) + (13x³ + 14 x+9x⁴) please answer to it it is urgent​

Answer»

ANSWER:

-3x⁴ + 13x³ + 11X + 22

Step-by-step explanation:

=> -12 x⁴ + 8 + -3X + 13x³ + 14 x+9x⁴

=> -3x⁴ + 13x³ + 11x + 22



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