Verify
false
Share
Copied to clipboard
\frac{\frac{10\times 7}{2}+7}{4\times \frac{-7}{2}}=2
Express 10\times \frac{7}{2} as a single fraction.
\frac{\frac{70}{2}+7}{4\times \frac{-7}{2}}=2
Multiply 10 and 7 to get 70.
\frac{35+7}{4\times \frac{-7}{2}}=2
Divide 70 by 2 to get 35.
\frac{42}{4\times \frac{-7}{2}}=2
Add 35 and 7 to get 42.
\frac{42}{4\left(-\frac{7}{2}\right)}=2
Fraction \frac{-7}{2} can be rewritten as -\frac{7}{2} by extracting the negative sign.
\frac{42}{\frac{4\left(-7\right)}{2}}=2
Express 4\left(-\frac{7}{2}\right) as a single fraction.
\frac{42}{\frac{-28}{2}}=2
Multiply 4 and -7 to get -28.
\frac{42}{-14}=2
Divide -28 by 2 to get -14.
-3=2
Divide 42 by -14 to get -3.
\text{false}
Compare -3 and 2.
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}