Evaluate
98
Factor
2\times 7^{2}
Share
Copied to clipboard
\frac{\left(12\times 4+1\right)\times 8}{4}
Divide \frac{12\times 4+1}{4} by \frac{1}{8} by multiplying \frac{12\times 4+1}{4} by the reciprocal of \frac{1}{8}.
\frac{\left(48+1\right)\times 8}{4}
Multiply 12 and 4 to get 48.
\frac{49\times 8}{4}
Add 48 and 1 to get 49.
\frac{392}{4}
Multiply 49 and 8 to get 392.
98
Divide 392 by 4 to get 98.
Examples
Quadratic equation
{ x } ^ { 2 } - 4 x - 5 = 0
Trigonometry
4 \sin \theta \cos \theta = 2 \sin \theta
Linear equation
y = 3x + 4
Arithmetic
699 * 533
Matrix
\left[ \begin{array} { l l } { 2 } & { 3 } \\ { 5 } & { 4 } \end{array} \right] \left[ \begin{array} { l l l } { 2 } & { 0 } & { 3 } \\ { -1 } & { 1 } & { 5 } \end{array} \right]
Simultaneous equation
\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
Differentiation
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Limits
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}