Question

PLEASE ANSWER IT!!!!​

Answer 1

Answer:

1. $(+7)(2−5)\\(2−5)+7(2−5)\\(2−5)+7(2−5)\\2 {x}^{2} −5+7(2−5)\\2? {x}^{2} −5+7(2−5)\\2 {x}^{2} −5+14−35\\2 {x}^{2} −5+14−35\\2 {x}^{2} +9−35$
2. $(4−3)(7−1)\\4(7−1)−3(7−1)\\4(7−1)−3(7−1)\\28 {x}^{2} −4−3(7−1) \\ 28 {x}^{2} −4−3(7−1) \\ 28 {x}^{2} −4−21+3 \\ 28 {x}^{2} −25+3 \\ 28 {x}^{2} −25+3$
3. $(+6)(−6) \\(−6)+6(−6) \\ {x}^{2} −6+6(−6) \\ {x}^{2} −6+6−36 \\ {x}^{2} −36$
4. $−2(3−2)$
5. $m(m−n)(m−4n)( {m}^{2} −4 {n}^{2} )$
6. ${x }^{2} - 2xy + {y}^{2}$
7. $5(+20)$
8. $8( {m}^{2} +16 {n}^{2} )$
9. $−8$
10. $please \: refer \: to \: the \: attachment \: for \: {10}^{th} \: question \:$