explain the following by using algebraic identities : (x – 2y – 5) (x - 2y + 3)
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Answer:
x square +4y square -4xy -2x +4y -15
Step-by-step explanation:
=x square - 2xy +3x -2xy+4y square -6y -5x +10y-15
=x square +4y square -4xy -2x +4y -15
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