25a^2-4b^2+28bc-49c^2
anujpaliwal73:
hay can you tell me what I have to do in this question
I dont know
If i know i will do it myself
Answers
Answered by
1
(2b-7c)^2-(5a)^2. i think
Answered by
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25a2 – 4b2 + 28bc – 49c2
= (5a)2 – (4b2 – 28bc + 49c2)
= (5a)2 – {(2b)2 – 2(2b)(7c) + (7c)2}
= (5a)2 – (2b – 7c)2
= (5a – 2b + 7c)(5a + 2b – 7c)
Hope it helps you
Please make me as brainliest
= (5a)2 – (4b2 – 28bc + 49c2)
= (5a)2 – {(2b)2 – 2(2b)(7c) + (7c)2}
= (5a)2 – (2b – 7c)2
= (5a – 2b + 7c)(5a + 2b – 7c)
Hope it helps you
Please make me as brainliest
please make me as brainliest
please
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