plz reply this question and confirm answer
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plz reply this question and confirm answer
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Answer:
2x^4+17x^3+5x^2 - x +11
Step-by-step explanation:
(3x^4 +18x^3 - 7x^2 + 9x +11) - (x^4+ x^3 -12x^2+10x)
=(3x^4 +18x^3 - 7x^2+ 9x+ 11 - x^4 -x^3 + 12x^2 - 10x)
=(2x^4+17x^3+5x^2 - x +11)
Here's your required answer