Question

find the sum of 6x^4 -3x^3 + 7x^2 -5x +1 and -3 x^4 +5x^3 -9x^2+7x-2 - 2x^4 -5x^3 +2x^3 -6x -8

Answer 1

Explanation: -

${6x}^{4} - {3x}^{3} + {7x}^{2} - 5x - {3x}^{4} + {5x}^{3} \\ \\ {5x}^{3} - {9x}^{2} + 7x - 2 - {2x}^{4} - {5x}^{3} \\ \\ + {2x}^{3} - 6x - 8 \\ \\ \\ = \: {x}^{4} + {4x}^{3} - {2x}^{2} - 4x - 10 \\ \\ \\ answer.......$

Answer 2

Answer:

Answer

Step-by-step explanation:

6x4-3x3+7x2-5x-3x+5x3

5x3-9x2+7x-2-2x4-5x3+2x3-6x-8

=x4+4x3-2x2-4x-10