Adding, Subtracting, Multiplying, Factoring Quadratics

Solving the equation f(x) = x² - 8x + 15 =0, what are the two factors we can create to solve this equation? ​ (a)   .

• (x - 3) and (x - 5)

• (x + 3) and (x + 5)

• (x - 15)

f(n)=x²+1
g(n)=2x-5
Find f(n)-g(n)

• x²-2x+6

• -x²+2x+4

• -x²-2x-6

• x²-2x-4

• 20x² + 3x − 2

• 20x² − 11x + 5

• 20x² − 18x + 2

• 20x² − 3x − 2

f(x)=x²+1
g(x)=2x-5
Find f(x)-g(x)

• x²-2x+6

• -x²+2x+4

• -x²-2x-6

• x²-2x-4

(4x²+ x) - (x²+ 2x)

• 3x² - x

• 4x² + 2x

• 3x² + 3x

• 3x² + 2x

Multiply the following polynomial by the monomial:

3x(4x² - x - 3)

• 12x² - 3x - 9

• 7x³ - 3x² - 6x

• 12x³ - 3x² - 9x

• 12x³ - 3x² - 6

What is the the standard form for the following expression?
-6x + 4x² - 13

• -13 - 6x + 4x²

• 4x²-6x - 13

• -13 + 4x² - 6x

• 4x² - 13 - 6x

Find the sum.
(2x² + 5x - 7) + ( 3 - 4x² + 6x)

• 2x² + 3x +1

• -2x² - 11x -4

• 2x² + 5x -7

• -2x² + 11x -4

Subtract the following polynomials:

(6x² + 10x - 9) - (4x² - 13)

• 2x² + 10x - 22

• 10x² + 10x - 22

• 2x² + 10x - 4

• 2x² + 10x + 4

(4x+1)(5x−2)

• 20x² + 3x − 2

• 20x² − 11x + 5

• 20x² − 18x + 2

• 20x² − 3x − 2