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2 votes
!!!!!!!!!!!!150 points!!!!!!!!!! Question bellow.

!!!!!!!!!!!!150 points!!!!!!!!!! Question bellow.-example-1

2 Answers

3 votes
The answer will be .04
x^(2) -0.2xy+0.25
y^(2)

using the formula
a^(2) -2ab + b^(2)
User Garnet
by
8.3k points
3 votes
I thnk you means exand

so
(0.2x-0.5y)^2=(0.2x-0.5y)(0.2x-0.5y)

use distributive prpoety
a(b+c)=ab+ac
so
(0.2x-0.5y)(0.2x-0.5y)=(0.2x-0.5y)(0.2x)+(0.2x-0.5y)(-0.5y)=(0.2x)(0.2x)+(-0.5y)(0.2x)+(0.2x)(-0.5y)+(-0.5y)(-0.5y)=0.4x^2-0.2xy+0.25y^2



User Rex
by
7.7k points

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