Возводим скобку в квадрат
10ab-(a+5b)^2=10ab-a^2-10ab-25b^2=-a^2-25b^2=-(a^2+25b^2)=-(9+25*14)=-(9+350)=-359
Ответ:
√2 / 4
Объяснение:
2: √32 = 2: √ (16 * 2) = 2: 4√2 = 2 / 4√2 = 1 / 2√2 = (1 * √2) / (2√2 * √2) =
= √2 / (2 * 2) = √2 / 4
Сosx=6x-x^2
Cosx=+-x+2ПК
Cosx=+-6x+2ПK K принадлежит Z
4-4x+x²=(2-x)²
10x-25y=5(2x-5y)
-16y²-12y=-4y(4y+3)
k²-6.25=(k-2.5)(k+2.5)
b³-125=(b-5)(b²+5b+25)
6x²+3.6x=6x(x+0.6)
40c+16+25c²=(5c+4)²
c³-c⁴+2c⁵=c³(1-c+2c²)
a²-0.04=(a-0.2)(a+0.2)
2.4ab+0.16a²+9b²=(0.4a+3b)²
p³+k⁹=(p+k³)(p²-pk³+k⁶)
1-6c²+9c⁴=(1-3c²)²
18ab³-9b⁴=9b³(2a-b)
0.36m²-25n²=(0.6m-5n)(0.6m+5n)
1/27 - a³=(¹/₃ -a)(¹/₉ + (a/3) + a²)
c³+64=(c+4)(c²-4c+16)
m⁴+2m²n³+n⁶=(m²+n³)²
0.64-4k²=(0.8-2k)(0.8+2k)
3m²+9m³=3m²(1+3m)
25a²+49+70a=(5a+7)²