Question

factorise x²+12x+20​

Answer 1

Answer:

x=-10

x=-2

Step-by-step explanation:

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x²+12x+20=0

x²+10x+2x+20=0

x(x+10)+2(x+10)=0

(x+10)(x+2)=0

hence,

x+10=0. OR. x+2=0

x=-10. OR. x=-2

Answer 2

Answer:

x² + (2 + 10)x + 20

= x² + 2x + 10x + 20

= x( x + 2) + 10( x + 2)

= (x + 2) ( x + 10) answer.....