Question

Answer this fast please Q.2 AND Q.4

Answer 1

Answer:

is this your examination no no we can't help examination sry we will help only for homeworks ok

Answer 2

Answer:

$2) \: 4 {x}^{2} - 15 + 3 {y}^{2} - 9 {x}^{2} {y}^{2} + 8 {x}^{2} {y}^{2} - 3 + {x}^{2} \\ = 5 {x}^{2} + 3 {y}^{2} - {x}^{2} {y}^{2} - 18 \\ subtract \: 3 {x}^{2} {y}^{2} - 10x + 6 {y}^{2} \: from \: 5 {x}^{2} + 3 {y}^{2} - {x}^{2} {y}^{2} - 18 \\ 5 {x}^{2} + 3 {y}^{2} - {x}^{2} {y}^{2} - 18 - 3 {x}^{2} {y}^{2} + 10x - 6 {y}^{2} \\ = 5 {x}^{2} - 3 {y}^{2} + 10x - 4 {x}^{2} {y}^{2} - 18$

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