Which expressions are equivalent to 2(4f+2g)2(4f+2g)2, left parenthesis, 4, f, plus, 2, g, right parenthesis ? Choose 3 answers:
Choose 3 answers:

(Choice A, Checked)
A
8f+2g8f+2g8, f, plus, 2, g

(Choice B)
B
2f(4 + 2g)2f(4+2g)2, f, left parenthesis, 4, plus, 2, g, right parenthesis

(Choice C)
C
8f+4g8f+4g8, f, plus, 4, g

(Choice D, Checked)
D
4(2f+g)4(2f+g)4, left parenthesis, 2, f, plus, g, right parenthesis

(Choice E)
E
4f+4f+4g4f+4f+4g4, f, plus, 4, f, plus, 4, g

Option (a) and (d) are correct .

An equivalent expression to the given expression  2(4f + 2g) is  8f + 4g

and 4 (2f + g)

Step-by-step explanation:

Given: Expression 2(4f + 2g)

We have to choose an equivalent expression to the given expression  2(4f + 2g)

Consider the given expression 2(4f + 2g)  

Apply Distributive property,

We have,

a = 2, b = 4f and c = 2g

2(4f + 2g) = 8f + 4g

Now, take 4 common from each term, we have,

8f + 4f = 4 (2f + g)

Thus, an equivalent expression to the given expression  2(4f + 2g) is  8f + 4g and 4 (2f + g)

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-7

step-by-step explanation:

x^2 + 18x + 74 = (x + 9)^2 - 81 + 74

= (x + 9)^2 - 7.

so q = -7.

225x²+4=0

225x²=0-4

225x²=-4

x²=-4/225

x=±√-4/225