Question

Expand:
x(2x-5)
2x(3x+4)
6x(x-2y)

Answer 1

Step-by-step explanation:

1. 2x²-5x

2. 6x²+8x

3. 6x²-12xy

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Answer 2

$i) Expansion\: of \: x(2x-5) \\= x \times 2x - x \times 5 \\= 2x^{2} - 5x$

$ii) Expansion\: of \: 2x(3x+4) \\= 2x \times 3x + 2x \times 4 \\= 6x^{2} + 8x$

$iii) Expansion\: of \: 6x(x-2y) \\= 6x \times x - 6x \times 2y \\= 6x^{2} - 12xy$

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