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alina1380 [7]
3 years ago
12

Please solve it the answer is (a+b-2) (a-b+2) should be take out question a^2-b^2+4b-4

Mathematics
2 answers:
iVinArrow [24]3 years ago
3 0

Answer:

see explanation

Step-by-step explanation:

Given

(a + b - 2)(a - b + 2)

Each term in the second factor is multiplied by each term in the first factor, that is

a(a - b + 2) + b(a - b + 2) - 2(a - b + 2) ← distribute the parenthesis

= a² - ab + 2a + ab - b² + 2b - 2a + 2b - 4 ← collect like terms

= a² - b² +4b - 4

lisabon 2012 [21]3 years ago
3 0

Answer:

this may help uh to get answer..

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