Math

posted by .

Can you please tell me step by step on how to do this problem. Factoring by grouping:

ab-5a-15+3b

Thank You

  • Math -

    a(b-5)+3(b-5)

    (a+3)(b-5)

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. math,help,factoring

    i need help i don't know how to do the next step. factor by grouping x^3-3x^2+4x-12 so what i have so far is this =(x^3-3x^2)+(4x-12) =x(x^2-3x)+4(x-3) from here i don't know... and then this one is driving me insane this next one... …
  2. Algebra 2

    I need to know how to solve quadratic equations by factoring. Can you so a step by step explanation to this sample problem?
  3. Math (Algebra 2)

    Factoring by Using a Quadratic Form Problem: x^4 + 8x^2 - 20 What I have so far: (x^2)^2 + 8(x^2) - 20 a^2 + 8a - 20 For some reason my textbook says to substitute the (x^2) with (a) as you can see in the las step. The next step after …
  4. Algebra

    Can someone please help me with math problem and explain to me step by step how to solve it so I will know how solve other problems like this Thank you in advance Multiply and then, if possible, simplify by factoring /7x /21y
  5. algebra

    Can someone please show me how to solve this problem step by step thanks an advance sqrt 7x sqrt 21y multiply then if possible simply by factoring
  6. Math

    Factoring Polynomials (please show step by step) -8z^3 + 512w^3
  7. Quick math help

    In which step below does a mistake first appear in simplifying the expression?
  8. Algebra 1--Step-by-Step

    Can someone show me how to solve these step-by-step?
  9. Math

    In which step is the error? Step 1: Let x = 1 and y = 1. Step 2: By substitution xy = y^2. Step 3: Multiplying both sides by -1, -xy= -y^2. Step 4: Adding x^2 to both sides, x^2-xy=x^2-y^2. Step 5: Factoring, x(x-y)=(x+y)(x-y). Step
  10. Math

    I need help solving the problem not the answer. (Multiple Choice) The steps below show the incomplete solution to find the value of x for the equation 7x + 8 − 3x = −6 + 10: Step 1: 7x + 8 − 3x = −6 + 10 Step 2: 7x + 8 − …

More Similar Questions