Question

factorise :- splitting the middle term by using factor theorem


$8x2 + 14x - 15$
$3y2 - 28y + 32$
$15 - x - 2x2$
$x2 + 6x + 9$
$4y2 + 20y + 25$
$x2 + 10x + 21$
$16x2 + 24x + 5$
$4a2 + 28a + 45$
please solve these questions step by step because it's urgent.



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Answer 1

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I have only done 1 part

Answer 2

Answer:

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Step-by-step explanation:

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