Examples with solutions for Square of Difference: Complete the missing numbers

Exercise #1

Fill in the blanks:

x2+?+9=(x3)2 x^2+?+9=(x-3)^2

Video Solution

Answer

6x -6x

Exercise #2

Fill in the blanks:

(2x?)2=4x212x+? (2x-?)^2=4x^2-12x+\text{?}

Video Solution

Answer

3, 9 3,\text{ }9

Exercise #3

Fill in the blanks:

(x?)2=x2?+25 (x-?)^2=x^2-?+25

Video Solution

Answer

5, 10x 5,\text{ }10x

Exercise #4

Fill in the blanks:

(?×x?)2=9x224x+16 (?\times x-?)^2=9x^2-24x+16

Video Solution

Answer

3, 4 3,\text{ }4

Exercise #5

Fill in the blanks:

(?×x1)2+(?×x2)2=5x28x+5 (?\times x-1)^2+(?\times x-2)^2=5x^2-8x+5

Video Solution

Answer

2, 1 2,\text{ }1