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erastovalidia [21]
4 years ago
6

Can someone explain me how to do this and tell me the answer? Only if you know please :)

Mathematics
1 answer:
astraxan [27]4 years ago
8 0
What math subject is this ?
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The zeros of the function f(x) = (x + 2)^2 - 25 are
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The\ zeros\ of\ a\ function\ f(x)\ is\ when\ f(x)=0.\\------------------------\\f(x)=(x+2)^2-25\\the\ zeros,\ if\ f(x)=0\iff(x+2)^2-25=0\\\\(x+2)^2-5^2=0\ \ \ \ |use\ a^2-b^2=(a-b)(a+b)\\\\(x+2-5)(x+2+5)=0\\\\(x-3)(x+7)=0\iff x-3=0\ or\ x+7=0\\\\x-3=0\ \ \ |add\ 3\ to\ both\ sides\\\boxed{x=3}\\or\\x+7=0\ \ \ \ \ |subtract\ 7\ from\ both\ sides\\\boxed{x=-7}\\\\Answer:\boxed{(4)\ -7\ and\ 3}
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4 years ago
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Step-by-step explanation:

Your welcome ladies and Gentlemen!

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3 years ago
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Y = (15-2x)^2(x+3) Can you guys help me with this one? All I know is the I can use the zero product Property on the x-intercepts
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3 years ago
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