Cakey124 Cakey124
  • 24-05-2015
  • Mathematics
Answered

factorise the following:

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



Answer :

Panoyin
Panoyin Panoyin
  • 24-05-2015
[tex]-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)[/tex]

[tex]-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)[/tex]
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