Simplify $$\frac{2.46 \times 2.46 - 1.46 \times 1.46}{2.46 - 1.46}$$ and select the most appropriate fraction.​​

14² + 16² + 24² + 2(14 × 16 + 16 × 24 + 24 × 14) = ?

Simplify:$$\frac{732 \times 732 \times 732 + 268 \times 268 \times 268}{73.2 \times 73.2 + 26.8 \times 26.8 - 73.2 \times 26.8}$$​

Simplify x(5x − 9) + 7(x² − 2) + 17

Simplify $$2\left(\left(\frac{6}{2}\right)x^2-22x+15\right)-6(x^2+5x-18)$$.

Simplify x(6x – 3) + 5(x² – 4) + 18.

Find the value of p so that the expression (15.97)³ + 1.4373 × p + (0.03)³ is a perfect cube.

Find x in the following expression: $$5\frac 37-x=3 \frac5{14}$$​​

Find the value of x satisfying: 2(3x² − 6) − 3(2x² + 8x − 5) = 14

Simplify: $$3\left(\left(\frac{7}{3}\right)x^2 - 25x + 12\right) - 7 \left(x^2 + 9x - 13\right)$$.

The value of 691 × 709 is: