• Polynomials
  • Operations with Polynomials
  • Multiplying polynomials

Multiplying polynomials

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  • Question 1:
    1 pts
    $x\cdot$
    $=2x^2$
  • Question 2:
    1 pts
    $2a\cdot$
    $=14a^2$
  • Question 3:
    1 pts
    $2\cdot$
    $=2a-4b$
  • Question 4:
    1 pts
    Find the product $(x+1)(x-1)$

    $x^2+1$

    $x^2-1$

    $x^2+2x+1$

    $x^2-2x+1$

  • Question 5:
    3 pts
    Find the product $(2x-1)(5x-2)$
    $10x^2-9x+2$
    $10x^2+9x-2$
    $10x^2-7x+2$
    $10x^2-7x-2$
  • Question 6:
    2 pts
    Find the product $(-3x-1)(-3x+1)$
    $9x^2-6x+1$
    $9x^2-6x-1$
    $9x^2+1$
    $9x^2-1$
  • Question 7:
    2 pts
    Find the product $2(4x-3)(4x+3)$
    $16x^2-9$
    $32x^2-18$
    $32x^2-24x+18$
    $16x^2-12x+9$
  • Question 8:
    2 pts
    Is the following equation true or false? $$(x+1)(x^2+x+1)=x^3+1$$
  • Question 9:
    3 pts
    Find the product $(x-1)(x+1)(x+2)$
    $x^3+2x^2-x-2$
    $x^3-1$
    $x^3-2x^2+x-2$
    $x^3+1$
  • Question 10:
    3 pts
    $(a+b)\cdot$
    $=a^2+2ab+b^2$
  • Question 11:
    3 pts
    Find the product $a(a+2b)(a+3b)$
    $a^2+5ab+6b^2$
    $a^2+6ab+5b^2$
    $a^3+5a^2b+6ab^2$
    $a^3+6a^2b+5ab^2$