Simplify the expression (x+5)2

Mathematics

2 answers:

Talja [164]3 years ago

7 0

(X+5)(x+5)
X^2+5x+5x+25
X^2+10x+25

It's wrong to say x^2+25

Lina20 [59]3 years ago

4 0

2x+10, multiply to two each term x and 5

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Dean put together first boxes for 5 of his neighbors. Each box cost $1.00 and contained a plant and a $3.00 pair of gardening gl

Scorpion4ik [409]

(5 Neighbors) x (($1.00 Box) + (? Plant) + ($3.00 Gloves)) = 42.50

5 x (1 + x + 3) = 42.50

Combine in parens.

5 x (4 + x) = 42.50

Distribute.

20 + 5x = 42.50

Subtract 20 from both sides.

5x = 22.50

Divide both sides by 5.

x = 4.50

Thats the cost of each plant.

Check.

5 x (1 + 4.50 + 3)

5 x 8.50 = 42.50

3 0

3 years ago

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goblinko [34]

it's J. f and g are in the wrong order, with the m and f being flipped. h has zero as an option, and that doesn't make sense. J is the correct answer.

3 0

3 years ago

The coefficient of xy in the product of (4x^2+2y) and (3x+y^2) is ...

LUCKY_DIMON [66]

Here is your answer! The coefficient of xy is 6. To solve this problem, you need to multiply your two polynomials together. I used the FOIL Method- multiply the First two, the Outside two, the Inside two, and the Last two. You can see how I did it on the picture attached. Next, the answer that you get as a result from FOILing is your polynomial. If you look at the number before xy, that is the coefficient. A coefficient is a number that is right before and attached to a variable. I hope this helps you! :))