September 2018 1 78 Report

Doprowadz do najprostszej postaci i oblicz wartosc liczbowa

a) -(2x+1)²-(2-3x)²+(4x-1)(1+4x)= x=-1

b)(√5-4x)(5+8x-3x²)(4x-√5) jesli :

x= 1⅗:(-1,6)-2,4 *(-1/8)- (2⅕)² * (√4 6/11)² +21,7


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