(7x²y³-8x³y²z)÷8

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(7x²y³-8x³y²z)÷8(7x²y³-8x³y²z)÷8(7x²y³-8x³y&#

(7x²y³-8x³y²z)÷8
(7x²y³-8x³y²z)÷8

(7x²y³-8x³y²z)÷8
(7x²y³-8x³y²z)÷8=7/8x²y³-x³y²z