Question
Simplify: $- 2x (x + y) + x^2$
✓
Answer
$- 2x (x + y) + x^2$
$= -2x \times x + (-2x)y + x^2$
$= – 2x^2 – 2xy + x^2$
$= – 2x^2 + x^2 – 2xy = – x^2 – 2xy$
$= -2x \times x + (-2x)y + x^2$
$= – 2x^2 – 2xy + x^2$
$= – 2x^2 + x^2 – 2xy = – x^2 – 2xy$
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