Homework - Math

Multiplication Of Polynomials

1. 7a(5x^2-2xy+y^2-4xy)=
2. -a^4(a^2b^2+2ab-3+6ab+8)=

  1. 👍 0
  2. 👎 0
  3. 👁 140
  1. just use the distributive property, as in

    7(3+5) = 7*3 + 7*5
    now just plug in 7a for the first, and you get

    7a*5x^2 - 7a*2xy + ...
    35ax^2 - 14axy + ...

    Try that, and if you get stuck, come back and show us where.

    1. 👍 0
    2. 👎 0

Respond to this Question

First Name

Your Response

Similar Questions

  1. Calculus

    The line that is normal to the curve x^2=2xy-3y^2=0 at(1,1) intersects the curve at what other point? Please help. Thanks in advance. We have x2=2xy - 3y2 = 0 Are there supposed to be 2 equal signs in this expression or is it x2 +

  2. algebra

    consider the following polynomials. ab^2 +3ab+8a^2 and -5ab^2 Use the two polynomials to illustrate the following: a. polynomials are closed under addition. b. polynomials are closed under subtraction. c. polynomials are closed

  3. Math

    What property is shown in the equation below? 6x0=0 a)zero property of multiplication b)inverse property of multiplication c)identity property of multiplication d)commutative property of multiplication

  4. math

    Lana uses factoring by grouping to factor the polynomial 8x2y−10xy2+12x−15y. Her work is shown below, but the last two lines of work are missing. 8x2y−10xy2+12x−15y (8x2y−10xy2)+(12x−15y) __[blank 1]__ __[blank 2]__

  1. exact differential equation

    (x2-4xy-2y2)dx+(y2-4xy-2x2)dy=0

  2. algebra

    2.what is the simplified form of the expression -4xy/3x? A -3y/4 ~ B -4x/3 C -4y/3 D -3x/4 3.what is the value of xy/z if x = -2, y = -3, and z = 4? A 3/2 B -3/2 C -5/4 ~ D 5/4 4. which phrase can you use to represent m-4? A m

  3. Math

    What is the simplest form of the expression (5x + 3xy + 4y) + (4x – 2xy – 2y)? A. x + xy + 2y B. x^2 + xy + 2y C. 9x + 5xy + 2y D. 9x + 5xy + 6y E. 9x + xy + 2y 2. 5y + 2z + 3x^2 – (2y – 2z + 4x) is equivalent to: F. 7y +

  4. algebra

    plz I really need help on Lesson 3: Exponents and Multiplication quiz in unit 6 Polynomials and Properties of Exponents

  1. math

    Consider the polynomial p(x)=32x5y−2xy5. Part A: What is the complete factorization of p(x)=32x5y−2xy5 over the integers? Part B: What methods are used to factor p(x)=32x^5y−2xy^5? Select one answer for Part A and select all

  2. Algebra

    Simplify each of the following expressions into simplest terms. a) {[-X+Y+(-2)*(-2Y)*[X-Y]}/[(X-Y)^2+(X+Y)^2] b) (X^3+4X^2Y+4XY^2+2XY-6Y^2)/(X+2Y)

  3. Algebra 1b help

    Which of the following statements are true? There is more than one correct answer choice. Select all correct answer choices. A)All monomials are polynomials. B)All polynomials have at least one monomial as a term. C)All binomials

  4. mathematics

    Choose the property illustrated by the following statement. (9•y)•6=9•(y•6) (A) Associative property of multiplication (B) commutative property of multiplication (C) distributive property (D) identity element of

You can view more similar questions or ask a new question.