xavaoneillx xavaoneillx

04-06-2018
Mathematics

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Please do 15, 16 and 17! Please show your work in detail! Thank you!

Please do 15 16 and 17 Please show your work in detail Thank you class=

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soniayeung1243oxuz6x soniayeung1243oxuz6x

04-06-2018

15. 32x=x^2
x^2-32x=0
(x-32)x=0
x=0 or 32

16.0=2x^2-72
0=(x-6)(x+6)
x=6 or -6

17. 9x^2-4=0
(3x-2)(3x+2)=0
x=3/2 or -3/2

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