factorise a^2-4a-a+4
Answers
Answered by
2
Answer:
a^2-4a-a+4
=a[a-4]-1[a-4]
=[a-1] [a-4]
Step-by-step explanation:
Answered by
1
Answer:
Here is your answer: (a - 2)(a - 2)
Step-by-step explanation:
a² - 4a - a + 4 = a² - 5a + 4
=a² - 2a - 2a + 4
=a(a - 2) - 2(a - 2)
=(a - 2)(a - 2)
hope it helps
plzz mark the answer as brainliest
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