x^2-6x+5=5-2x
x^2-4x=0
x=0 x=4
(x^3/3-2x^2)|4=64/3-32=-32/3
S=32/3
X^2 + 20X + 100 = 4 - 4X + X^2
24X = ( - 96)
<span>X = ( - 4 )</span>
Ответ:
Объяснение:
а) c6*c5=c6+5=c11;
б) (a4)3=a12;
в) 10ab+(a-5b)2=10ab+(a2-2*5ab+25b)=10ab-a2+10ab+25ab= -a2+25ab;
г) (b+3)2-(b+2)(b-2)-6b=(b2+2*3b+9)-(b2-4)-6b=b2+6b+9-b2-4-6b= -4