simplify sqrt(14)*10sqrt(12)
Let's simplify: 14×10×12
ⓘ We look for the largest square dividing 12, 4 = 22, and take it out of the root: 12 = 4×3 = 4×3 = 2×3
14×10×2×3
ⓘ The product of two square roots is the square root of the product: 14×3 = 14×3
ⅰ 10×2 = 20
20×14×3
ⅰ 14×3 = (10 + 4)×3 = 10×3 + 4×3 = 30 + 12 = 42
▶Simplified form:   20×42
The numeric value of: 20×42 equals:
20×≈ 6.4807
▷ ≈ 129.6148