9 times 8
|2x- |x-1||<3-x solve
Simplify √(〖49x〗^2 y^2-〖64x〗^2 y^2 )+∛(27x^3 y^3 )
y = 2x + 1
y = 4x - 9
-4x-x*2
3=3-3=3-3
36=x^2+y^2−6x−8y+25
16=x^2+y^2−18x−16y+145
$$\sum_{a}^{b}{C}$$ $$\prod_{a}^{b}{C}$$ $$\begin{bmatrix} a & b \\\\ c & d \end{bmatrix}$$
4(x+3) + m(x+3)
9. A can do a piece of work in 7 days of 9 hours each and B can do it in 6 days of 7 hours each. How long will they take to do it ...