How do you multiply (5n-4)^{2}?

Zain Padilla

Zain Padilla

Answered question

2022-02-11

How do you multiply (5n4)2?

Answer & Explanation

merquilhi8fd

merquilhi8fd

Beginner2022-02-12Added 11 answers

Explanation:
(a+b)2=a2+2ab+b2
(5n+(4))2+(5n)2+25n(4)+(4)2
lapinar7g1

lapinar7g1

Beginner2022-02-13Added 13 answers

Explanation:
express (5n4)2=(5n4)(5n4)
each term in the second bracket is multiplied by each term
in the first bracket as shown below
(5n-4)(5n-4)
=5n(5n-4)-4(5n-4)
distributing gives
=(5n×5n)+(5n×4)+(4×5n)+(4×4)
=25n220n20n+16 collect like terms
=25n240n+16

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