Question

the sum of 5x square.,-7xsquare.,8x square.,11xsquare and -9x square is​

Answer 1

Answer:

$5 {x}^{2} + ( - 7 {x}^{2} ) + 8 {x}^{2} + 11 {x}^{2} + ( -9 {x}^{2} ) \\ \\ = 5 {x}^{2} - 7 {x}^{2} + 8 {x}^{2} + 11 {x}^{2} - 9 {x}^{2} \\ \\ = 5 {x}^{2} + 8 {x}^{2} + 11 {x}^{2} - 7 {x}^{2} - 9 {x}^{2} \\ \\ = 24 {x}^{2} - 7 {x}^{2} - 9 {x}^{2} \\ \\ = 17 {x}^{2} - 9 {x}^{2} \\ \\ = 8 {x}^{2}$

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Answer 2

Answer:

8x2 is the correct answer hope you get it no explanation