Find the sum of the two polynomials:
x²-1 and x+1
x²+1
(4x²+4x+1)-(4x+20)
4x²-19
6(p-7)
6p-42
(27x³+12x)/(3x²)
(9x²+4)/(x)
Solve the following:
(x+y)²
x²+2xy+y²
(3z²+z-4)+(2z²+2z-3)
5z²+3z-7
(6x+5)-(8x+15)
-2x-10
5m⁴(4m+4)
20m⁵+20m⁴
(x²+7x+10)/(x+2)
x+5
Factor the following:
x²-y²
(x-y)(x+y)
(6x²+3x-4)+(x²-7)
7x²+3x-11
(3x³+4x²)-(2x3+3x²-x)
x3+x2+x
(7x+5y)(8x+3y)
56x²+61xy+15y²
(m²-7m-11)/(m-8)
m+1-((3)/(m-8))
5x(-2x²+8x+12)
-10x³+40x²+60x
(2x³+3x²+12)+(7x³+4x²+3)
9x³+7x²+15
(3z²+z-4)-(2z²+2z-3)
z²-z-1
5(2x-1)(4z+1)
40xz+10x-20z-5
(12x³y²-15xy⁴+20x²)/(4x²y)
(12x²y²+20x-15y⁴)/(4xy)
(9x⁵-7x³+x)+(6x⁴+9x³)
9x⁵+6x⁴+2x³+x
(4y²+8y-4)+(9y²-2)
13y²+8y-6
(5x³+3x²+5)-(7x³-9x²+8x-5)
-2x³+12x²-8x+10
(7u²+8uv-6v²)(6u²+4uv+3v²)
42u⁴+76u³v+17u²v²-18v⁴
(15x³+37x²+53x+55)/(3x+5)
5x²+4x+11
Which polynomial represents:
(3x²+x-4)(2x-5)?
A: 6x³-13x²-13x-20
B: 6x³-13x²-13x+20
C: 6x³+13x²+3x-20
D: 6x³+13x²+3x+20
Answer: B
6x³-13x²-13x+20