Factorise: (I)2x^2+x-45
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Answered by
0
2x^2+10x-9x-45=0
=> 2x (x+5)-9 (x+5)=0
=> By middle term factorisation splitting the numbers into 10 and 9 we get
(2x-9)(x+5)
Answered by
0
Answer:
2
2
+
−
4
5
2x^{2}+{\color{#c92786}{x}}-45
2x2+x−45
2
2
+
1
0
−
9
−
4
5
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