Can 3 times the sum of r and d squared minus 2 times the sum of r and d squaredbe simplified

The expression it is simplified as the sum of r and d squared:

(r+d)^2

Step-by-step explanation:

The equation describing the line can be stated as:

3(r+d)^2-2(r+d)^2

As both terms have a repeated factor, the expression can be simplifyed by factorizing with the repeated factor (r+d)^2:

(r+d)^2.(3-2) = (r+d)^2.(1) = (r+d)^2

a

step-by-step explanation:

13

step-by-step explanation:

169-1=168

168-3=165

165-5=160

160-7=153

153-9=144

144-11=133

133-13=120

120-15=105

105-17=88

88-19=69

69-21=48

48-23=25

25-25=0

since it took 13times to completely subtract it hence its square root is 13