Question

factorise 3x^2+2x-5​

Answer 1

Answer:

(x+1)(3x-5)

Step-by-step explanation:

By using splitting middle term:-

=>3x²+2x-5

=>2x can be written as 3x-5x

=>3x²+3x-5x-5

=>Taking out common.

=>3x(x+1)-5(x+1)

=>(x+1)(3x-5)

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Answer 2

Answer:

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Step-by-step explanation:

3x^2 +2x-5

P(x)= 3x^2 +2x-5

P(1)=q