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Answer 1

Answer:

None of above

Step-by-step explanation:

$\rm(3q + 7p³ - 2r² +4 ) - ( 4p³ - 2q + 7r³ - 3)$

$\rm3q + 7p³ - 2r² +4 - 4p³ + 2q - 7r³ + 3)$

$\rm 7p³- 4p³- 7r³- 2r² + 3q+ 2q + 4 + 3)$

$\rm 3p³- 7r³- 2r² + 5q+ 7$

Answer 2

$\small \small\color{red}question =( 3q + 7 {p}^{3} - 2 {r}^{2} + 4)-(4 {p}^{3} - 2q + 7 {r}^{2} - 3) \\ \\ \small \small\color{purple}solution : - \\ \\ \small \small\color{blue} = ( 3q + 7 {p}^{3} - 2 {r}^{2} + 4)-(4 {p}^{3} - 2q + 7 {r}^{2} - 3) \\ \\ \small \small\color{blue} =3q + 7 {p}^{3} - 2 {r}^{2} + 4-4 {p}^{3} + 2q - 7 {r}^{2} + 3 \\ \\ \small \small\color{blue} =3q + 2q + 7 {p}^{3} - 4 {p}^{3} - 2 {r}^{2} - 7 {r}^{2} + 4 + 3 \\ \\ \small \small\color{green} =5q + 3 {p}^{3} - 9 {r}^{2} + 7 \: \: is \: the \: answer \\ \\ \\ \small\red{\boxed{\boxed{it's ᭄亗 乄 ＭꫝղᎥនh 乄 亗✯❤࿐}}}$

your options is wrong please check the question and answer