Evaluate

7m+55

$7m+55$

Expand

7m+55

$7m+55$

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40+16m+3\left(5-3m\right)

Use the distributive property to multiply 8 by 5+2m.

40+16m+15-9m

Use the distributive property to multiply 3 by 5-3m.

55+16m-9m

Add 40 and 15 to get 55.

55+7m

Combine 16m and -9m to get 7m.

40+16m+3\left(5-3m\right)

Use the distributive property to multiply 8 by 5+2m.

40+16m+15-9m

Use the distributive property to multiply 3 by 5-3m.

55+16m-9m

Add 40 and 15 to get 55.

55+7m

Combine 16m and -9m to get 7m.

Examples

Quadratic equation

{ x } ^ { 2 } - 4 x - 5 = 0

$x_{2}−4x−5=0$

Trigonometry

4 \sin \theta \cos \theta = 2 \sin \theta

$4sinθcosθ=2sinθ$

Linear equation

y = 3x + 4

$y=3x+4$

Arithmetic

699 * 533

$699∗533$

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]

$[25 34 ][2−1 01 35 ]$

Simultaneous equation

\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.

${8x+2y=467x+3y=47 $

Differentiation

\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }

$dxd (x−5)(3x_{2}−2) $

Integration

\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x

$∫_{0}xe_{−x_{2}}dx$

Limits

\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}

$x→−3lim x_{2}+2x−3x_{2}−9 $