Multiply Rational Expressions with Special Products

What is (4x²+5)(4x²-5)?

• 16x⁴ - 25

• 16x² - 25

• 8x⁴ - 10

• 8x² - 10

(7r-6)(7r+6)

• 49r²+36

• 49r²-36

• 49r²+84r+36

• 49r²+42r+36

(7r+6)(7r+6)

• 49r²+36

• 49r²-36

• 49r²+84r+36

• 49r²+42r+36

(u-5v)(u+5v)

• u²-25v²

• u²+25v²

• u²-10uv+25v²

• u²+10uv+25v²

• n - 1

• 2(n - 1) / 2

• 2(n - 1)

• 1

• 1

• (x - 8) / (x + 5)

• (x - 5) / (x + 5)

• (x + 1) / (x + 5)

• 5x / 3

• 10x / (x - 8)

• 10x

• 6x(x - 8) / 6x

(3m + 1)(3m – 1)

• 9m² – 1

• 9m² – 6m – 1

• 9m² + 1

• 9m² + 6m – 1

Find the product of (j + 7)(j – 7)

• j² + 49

• j² – 49

• j² – 28j + 49

• j² + 28j - 49

(2x−9)(2x+9)

• 4x²−36x−81

• 4x²+36x−81

• 4x²+81

• 4x²−81