Simplify using identity: (5x-5)(5x-7)
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Answered by
6
Step-by-step explanation:
25x² + 49 - 70x
Step-by-step explanation:
(5x-7) (5x-7) = (5x-7)²
{ Using the Identity
(a-b)² = a² + b² - 2ab }
(5x-7)² = (5x)² + (7)² - 2(5x)(7)
= 25x² + 49 - 70x
Answered by
1
Answer:
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