I’m not sure how to answer this, please help!!

Mathematics

1 answer:

posledela3 years ago

8 0

Answer: a= -3,0 and b= 0,18 c= -1,0 d= 3,0

Step-by-step explanation:

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$a^2 +95a -500=0\\\therefore\: a^2 +100a -5a-500=0\\\therefore\: a(a +100) -5(a+100)=0\\\therefore\: (a +100)(a -5)=0\\\therefore\: (a +100)=0\:\: or \:\: (a -5)=0\\\therefore\: a = - 100\:\: or \:\: a = 5\\\\CASE\: (1)\:\\When\: a = - 100 \implies x^2 = - 100\\\therefore x=\pm \sqrt{-100}\\$