stephmurrile stephmurrile

02-02-2015
Mathematics

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Please help me with this question (5y + 2)2 − 96 = 0

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apologiabiology apologiabiology

02-02-2015

simplify the equation with pemdas
first parentheses

distributive property
a(b+c)=(ab)+(ac)

(5y+2)2=(10y)+(4)
10y+4-96=0
10y-92=0
add 92 to both sides
10y=92
divide both sides by 10
y=9.2

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