factorizar (X2-4)* (X2+8X+15)__ (X2+3x-10) * (X2+3x-10)
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Answer:
hope it will help u
Step-by-step explanation:
x2-3x-10=0
split it
x2+2x-5x-10=0
x(x+2)-5(x+2)=0
(x-5)(x+2)=0
x-5=0....there for x=5
x+2=0.....therefore x=-2
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