December 2018 1 25 Report
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a)(2x+5)²-x (x+20)=0
b)x (4-x)=(2x+3) (x-2)+8
c)(5x+3 )²=(2x-1)²
d ) (4-x)²-(2+x)²=x²+12
e)(2x-1) (2x+1) +2 =9x-5x(x+3)
f)(x-6) (x+6)=(4x+3 )²-(2-x)²
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