Question

extra power 5 + 7 x ki power 4 minus 3 x cube + 7 x square - 2 X + 8 x cube minus 2 X + 1​

Answer 1

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Answer 2

5+7 power 4-3(7x-2x+8) 2x +1

12 power 4 -21x-6x+24*3x

20736-15x/3x+24

5x =24-20736

x = -20712/5

x = -4142.4