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valentinak56 [21]

3 years ago

5

Find the value of (x+5y)' step by step

2 answers:

lbvjy [14]3 years ago

8 0

Answer:
X^2 +10xy + 25y^2

larisa86 [58]3 years ago

7 0

Answer:

x²+10xy+25y²

Step-by-step explanation:

(x+5y)²=(x+5y)(x+5y)=x×x+5y×x+x×5y+5y×5y=x²+5xy+5xy+25y²=x²+10xy+25y²

But it can be much easier

(a+b)²=a²+2ab+b²

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