100 Things Every Homeowner Must Know: How to Save Money, Solve Problems and Improve Your Home

100 Things Every Homeowner Must Know: How to Save Money, Solve Problems and Improve Your Home

Matematika x^2 -2 xy + y^2
(garis bawah)
2(x+z)​

x^2 -2 xy + y^2
(garis bawah)
2(x+z)​

Penjelasan dengan langkah-langkah:

Ingat Sifat =

x² - 2xy + y² = ( x - y )²

1. x² - 2xy + y²

= ( x - y )²

2. 2 ( x + z )

= 2.x + 2.z

= 2x + 2z

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