Please Solve these Problems

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Mrmr305

Mathematics

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Explanation & Answer

8. (6z-u)(3z+2u)

18z^2+12zu-3zu-2u^2

18z^2+9zu-2u^2

11.(s^2+gh)(s^2-gh)

s^4-s^2gh+s^2gh-g^2h^2

=s^4-g^2h^2

12.b^2+bp-4b+bp+p^2-4p+4b+4p-16=

ans. A

14. 16x^2+(1/25)-8x/5

10.9y^2+64-48y

9. 40c^2+4.5cg-25g


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