Question

subtract the following. 3p²q-3 from 9p²-9p²q​

Answer 1

$(9 {p}^{2} - 9 {p}^{2} q) -( 3 {p}^{2} q - 3) \\ \\ = > 9 {p}^{2} - 9 {p}^{2} q - 3 {p}^{2} q + 3 \\ \\ = > 9 {p}^{2} - 12 {p}^{2} q + 3 \\ \\ = > 3(3 {p}^{2} - 4 {p}^{2} q + 1)$

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