3x+6
3(x+2)
a2 - 81
(a+9)(a-9)
Solution : (a+b)(a-b)
Square root of a2 is a
Square root of 81 is 9
a will be your a value
9 will be your b value
x2-36
(x+6)(x-6)
x3-27
(x-3)(x2+3x+9)
x5+x7
x5(1+x2)
b2 - 1
(b+1)(b-1)
Solution : (a+b)(a-b)
Square root of b2 is b
Square root of 1 is 1
b will be your a value
1 will be your b value
x2-25
(x+5)(x-5)
8y3+1
(2y+1)(4y2-2y+1)
12x3-16x6
4x3(3-4x3)
16x2 - 36
(4x+6)(4x-6)
Solution :
Square root of 16 is 4
Square root of 36 is 6
4 will be your a
6 will be your b
36-4x2
(6+2x)(6-2x)
m3-64
(m-4)(m2+4m+16)
9x2y4z8-27xy3z4
9xy3z4(xyz4-3)
16x2 - 144
(4x-12)(4x+12)
Solution : (a+b)(a-b)
Square root of 16x2 is 4x
Square root of 144 is 12
4x will be your a value
12 will be your b value
16x2-9y2
(4x+3y)(4x-3y)
64d3-125
(4d-5)(16d2+20d+25)
4x+8
4(x+2)
196a2 - 81a2
(14a+9a)(14a-9a)
Solution : (a+b)(a-b)
Square root of 196a2 is 14a
Square root of 81a2 is 9a
14a will be your a value
9a will be your b value
49-p2
(7+p)(7-p)
125+8q3
(5+2q)(25-10q+4q2)