Jenny solved the equation 1-(2x+4)=-4x+5 what her error

1 answer:

viva [34]3 years ago

7 0

Step-by-step explanation:

1-(2x+4)= 1-2x-4= -2x-3

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Yuki888 [10]

Answer:

$a=250$

$b=10$

Step-by-step explanation:

$a=\frac{5x^2}{2}=\frac{5(10)^2}{2}=\frac{5(100)}{2}=\frac{500}{2}=250$

$b=\frac{2x^2(x-5)}{10x}=\frac{2(10)^2(10-5)}{10(10)}=\frac{2(100)(5)}{100}=2(5)=10$

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