1. : = = =
2. - : = - = - 2p * 2q = -4pq
3. : = =
4. : = = =
5. : ( - ) = - = - = -
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Verified answer
1.
:
=
=
= ![\frac{3a^{2} b}{50 c} \frac{3a^{2} b}{50 c}](https://tex.z-dn.net/?f=%5Cfrac%7B3a%5E%7B2%7D%20b%7D%7B50%20c%7D)
2. -
:
= -
= - 2p * 2q = -4pq
3.
:
=
= ![\frac{a - b}{2ab } \frac{a - b}{2ab }](https://tex.z-dn.net/?f=%5Cfrac%7Ba%20-%20b%7D%7B2ab%20%7D)
4.
:
=
=
= ![\frac{18xn^{3} }{m^{2}} \frac{18xn^{3} }{m^{2}}](https://tex.z-dn.net/?f=%5Cfrac%7B18xn%5E%7B3%7D%20%7D%7Bm%5E%7B2%7D%7D)
5.
: ( -
) = -
= -
= -