Question

factorise: 2xsquare+9x - 4.​

Answer 1

Answer :

$(2x - 1)(x - 4)$

Explanation :

Find two values that add to give - 9 and multiply to give 2 × 4 = 8

These values are -1 and - 8 .

Split the X's .

${2x}^{2} - 8x - x + 4$

Factorise each half .

$2x(x - 4) - 1(x - 4)$

$(2x - 1)(x - 4)$

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Answer 2

Answer:

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