# math

how would you solve....
15x + 50 + x to the second power....

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1. 15x+50+x =16x+50

(15x+50+x)^2=(16x+50)^2

(16x+50)^2=(16x)^2+2*16x*50+50^2=

16^2*x^2+1600x+2500=

256x^2+1600x+2500

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2. i need help but i cant use a calculater becuz that has no to the second power ans x or any letters

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