<span>а)a^3+a^2b +ax+ bx=(b+a)*(x+a^2)</span>
<span>б)<span>a^6 +a^5-a^4-a^3=(a-1)*a^3*(a+1)^2</span></span>
<span><span>в)<span>x^4y-x^3-y^2+5zy-5zx=5*y*z-5*x*z-y^2+x^4*y-x^3</span></span></span>
<span><span><span>г)<span>a^4x^4-a^3x^3+z^2-axz^2=-(a*x-1)*(z^2-a^3*x^3)</span></span></span></span>
<span><span><span><span>д)<span>ax+ay+bx+by-cx-cy=-(c-b-a)*(y+x)</span></span></span></span></span>
<span><span><span><span><span><span>е)a^2x-ax^2+3x-3a+ac-cx=-(x-a)*(a*x+c-3)</span></span></span></span></span></span>
<span><span><span><span><span><span><span>ж)x^4+x^3+abx-c^2x+ab-c^2=(x+1)*(x^3-c^2+a*b)</span></span></span></span></span></span></span>
<span><span><span><span><span><span><span><span>з)a^5-a^4x-ab+x^5-ax^4+bx=(x-a)*(x^4+b-a^4)</span></span></span></span></span></span></span></span>
×-9×=0
×=0*9
×=0
9×=9*0
9×=0
0-9*0=0
0=0
<span>(4 √5)^2 = 80
(- √900)^2=900
то бишь 80-180= -100
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<span>( √5+1)^2=5+2 √5+1
5+2 √5+1<span> -2 √5=6
Что именно тебе непонятно? Напиши, я объясню. </span></span>
14 процентов но эт не точно