W załączniku zadanie podane jest :)
a) (2*(6x+3)+2*(3x+1)) + (2*(6x+2)+2*(3x-1))
x=2
(2*(6*2+3)+2*(3*2+1)) + (2*(6*2+2)+2*(3*2-1))
(2*15+2*7) + (2*14+2*5)=30+14+28+10=82
b)(2x+2)² - (x+1)*x/2 - (x+1)*x
(2*2+2)² - (2+1)*2/2 - (2+1)*2=
=36-3-6=27
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a) (2*(6x+3)+2*(3x+1)) + (2*(6x+2)+2*(3x-1))
x=2
(2*(6*2+3)+2*(3*2+1)) + (2*(6*2+2)+2*(3*2-1))
(2*15+2*7) + (2*14+2*5)=30+14+28+10=82
b)(2x+2)² - (x+1)*x/2 - (x+1)*x
x=2
(2*2+2)² - (2+1)*2/2 - (2+1)*2=
=36-3-6=27