Simplify: i) (a + b)(5a – 3b) + (a – 3b)(a – b) ii) (a – b) (a2 + b2 + ab) – (a + b) (a2 + b2 – ab) iii) (b2 – 49) (b + 7) + 343

1 answer:

marin [14]2 years ago

8 0

Answer:

plz mark brainliest✌️✌️

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DaniilM [7]

Answer:

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olga55 [171]

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Step-by-step explanation:

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sp2606 [1]

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I believe the answer is d

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neonofarm [45]

Ok, so...what is the question?...

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Nutka1998 [239]

EXPLANATION:
Let the no. be x.
4x-12= -11
4x= -11+12
x=1/4
x=0.25

ANSWER:
x=0.25

Hope it helps u! :)

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2 years ago