Question

[3{(2-5)al cuadrado-4(3/2-10/4)al cubo}+3(7/9)]-raiz cuadrada de 49

Answer 1

3((2-5)^2-4(3/2-10/4)^2)+3(7/9)-{49}
3((2-5)^2-4(3/2-10/4)^2)+3(7/9)-{49}
15+7/3-7
7/3+8
8/1+7/3
\frac{3\cdot \:8+7}{3}
= 31/3