Basic Definitions: Omitting parentheses

Examples with solutions for Basic Definitions: Omitting parentheses

Exercise #1

(+43)(+15)= (+43)-(+15)=

Video Solution

Answer

28 28

Exercise #2

(+71)+(18)= (+71)+(-18)=

Video Solution

Answer

53 53

Exercise #3

(+0.5)+(+12)= (+0.5)+(+\frac{1}{2})=

Video Solution

Answer

1 1

Exercise #4

(22)(334)= (-2^2)-(-3\frac{3}{4})=

Video Solution

Answer

14 -\frac{1}{4}

Exercise #5

(+186)(14)= (+\frac{18}{6})-(-\frac{1}{4})=

Video Solution

Answer

3.25 3.25

Exercise #6

(24)(+3.5)= (-\frac{2}{4})-(+3.5)=

Video Solution

Answer

4 -4

Exercise #7

(+2.16)+(4116)= (+2.16)+(-4\frac{1}{16})=

Video Solution

Answer

1.90625 -1.90625

Exercise #8

(326)+(2.75)= (-3\frac{2}{6})+(-2.75)=

Video Solution

Answer

6112 -6\frac{1}{12}

Exercise #9

(+x2)+(9)= (+x^2)+(-9)=

Video Solution

Answer

x=±3 x=±3

Exercise #10

(x)2(+25)= (-x)^2-(+25)=

Video Solution

Answer

x=±5 x=±5