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san4es73 [151]
3 years ago
11

Factorise 3(x-y)^2 - 2(x-y)

Mathematics
2 answers:
a_sh-v [17]3 years ago
8 0

Answer:

4xy

Step-by-step explanation:

Anna11 [10]3 years ago
4 0

Answer:

(x - y) [3(x - y) - 2]

Step-by-step explanation:

3(x - y)^{2}  - 2(x - y)

Lets take (x - y) common from the expression.

=> (x - y) [3(x - y) - 2]

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My Homework Mr Thompson please help!!
Nady [450]

Answers:

  1. C) Factored form
  2. C) Standard form
  3. D) The y intercept is -8
  4. B) Two solutions: x = -5 or x = 5
  5. B) Apply square root to both sides

=========================================

Explanations:

  • For problems 1 and 2, there's not much to say other than you'll just have to memorize those terms. Standard form is ax^2+bx+c in general. The exponents count down 2,1,0. Factored form is where we have two or more factors multiplying with each other. Think of something like 21 = 7*3 showing that 7 and 3 are factors of 21.
  • For problem 3, the y intercept is the last value. It's the constant value. Plug in x = 0 and you'll get y = -8 as a result. The y intercept always occurs when x = 0.
  • In problem 4, we apply the square root to both sides to get x = -5 or x = 5. The plus or minus is needed. This is because (-5)^2 = 25.
  • In problem 5, we apply the square root to both sides to undo the squaring operation.
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3 years ago
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the drama club has sold 942 tickets to their play if their theater seats 57 each row how many full rows were there be how many e
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drek231 [11]

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