factorise the following x²+8x+15
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18
x²+8x+15
x²+3x+5x+15
x(x+3)+5(x+3)
(x+5)(x+3)
x+5=0
where x= -5
x+3=0
where= -3
mark as brainlist please
x²+3x+5x+15
x(x+3)+5(x+3)
(x+5)(x+3)
x+5=0
where x= -5
x+3=0
where= -3
mark as brainlist please
cutiepie017:
please mark it as brainlist
if it hlps
Answered by
8
>> x²+8x+15
>> x^2+3x+5x+15
>> x(x+3)+5(x+3)
>> ( x+5)(x+3)
>> x^2+3x+5x+15
>> x(x+3)+5(x+3)
>> ( x+5)(x+3)
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