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pantera1 [17]
3 years ago
9

Simplify the expression 2(4x)

Mathematics
2 answers:
Anni [7]3 years ago
8 0

Answer:

\Huge \boxed{8x}

Step-by-step explanation:

To simplify the expression, first you have to isolate it on one side of the equation. Remember to solve this problem, use the distributive property of \displaystyle a(b+c)=ab+ac.

First, multiply numbers from left to right.

\displaystyle 2\times4x=\boxed{8x}

Therefore, the correct answer is 8x.

fredd [130]3 years ago
5 0

Answer:

Multiply 2 by the coefficient 4 and you get 8x, which is the answer

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Given that P(x)=2x²+5x-5
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Answer:

(i) P(\frac{1}{2}) = 2*(\frac{1}{2})^2 + 5*\frac{1}{2} -5

          =\frac{1}{2} +\frac{5}{2} -5\\\\=3-5 = -2

(ii) P(3) - Q(2) = 2(3^2)+5(3)-5 -[4(2^2) +3(2) +2]

                       = 18 + 15 -5 -16-6-2= 28-24 =4

(iii) P(x)\cdot Q(x) = (2x^2+5x-5)(4x^2-3x+2)

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(iv) P(x) + Q(x) = 2x^2 +5x -5 + 4x^2 -3x +2

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3 0
3 years ago
during the summer each student got 5% taller erik is 151.2 cm taller after the summer how tall was be before the summer?
storchak [24]
You have to multiply 151.2 X 5% =7.56
Then you subtract 151.2 - 7.56
Before the summer he was 143.64cm
3 0
4 years ago
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