Question

factorise :- x² + 8x +15 ​

Answer 1

Answer:

(x+8)(x+15)

Step-by-step explanation:

x²+8x+15

x(x+8)+15

(x+8)(x+15)

Answer 2

Answer:

=>x²+8x+15

=>x²+5x+3x+15

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

=>(x+3)(x+5)=0

=>x+3=0;x+5=0

=>x=-3 and x=-5

Step-by-step explanation:

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