<span>вот первый номер весь))
а)=8x^2+24x+9-24x=8x^2+9
б)</span><span>.=4x^2-20x+25+20x=4x^25
в)=2x^2-2*2x*5+5^2+20x=4x^2-20x+25+20x=4x^2+25
г)= 36c-3*1^2+2*1*6+1^2=36c-6*6c+1=30c-5
Номер 2
a)</span><span>y^2-100 = </span><span>(y-10)*(y+10)
б)-
в)</span><span>a^4-25 = </span>(a^2-5)*(a^2+5)<span>
г)</span><span>49-x^2 = </span><span>-(x-7)*(x+7)
д)-
е)</span><span>9-a^4 = </span><span>-(a^2-3)*(a^2+3)</span>
Номер 144:
1) 11m²-11=11(m²-1)=11(m-1)(m+1)
2) 6a³-6a=6a(a²-1)=6a(a-1)(a+1)
3) 5x³-5xy²=5x(x²-y²)=5x(x-y)(x+y)
4) 8a²b²-72a²c²=8a²(b²-9c²)=8a²(b-3c)(b+3c)
5) 2x²+24xy+72y²=2(x²+12xy+36)=2(x+6)²
6) -8a⁵+8a³-2a=-2a(4a⁴-4a²+1)=-2a(2a²-1)