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Factorise the following: 1) -10x² + 31x +14 2) -24x² + 35x -4

Factorise the following: 1) -10x² + 31x +14 2) -24x² + 35x -4
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4 votes
Factorise the following:

1)   -10x² + 31x +14
2)   -24x² + 35x -4

User Sergio Vicente
by
8.5k points

1 Answer

2 votes

-10x^(2) + 31x + 14 \\10x^(2) - 4x + 35x + 14\\-2x(5x) - 2x(2) + 7(5x) + 7(2)\\-2x(5x + 2) + 7(5x + 2)\\(-2x + 7)(5x + 2)


-24x^(2) + 35x - 4 \\-24x^(2) + 32x + 3x - 4 \\-8(3x) + 8(4) + 1(3x) - 1(4) \\-8x(3x - 4) + 1(3x - 4) \\(-8x + 1)(3x - 4)
User Benjamin Telkamp
by
7.4k points
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