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3 years ago

how do you do a two step equation that has two sides of the equal sign filled like 8x-2=negative 9=7x

1 answer:

4 0

8x-2= -5+7x
2x= 2x
So you start with one side of the problem and solve it by writing it below. Then do the other side. In the end, they should equal each other

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X^2 - 25 = (x + 5) (?)

mixas84 [53]

Answer:

(?) = (x-5)

Step-by-step explanation:

Use difference of squares:

$x^2-25=(x+5)(x-5)$

5 0

4 years ago

Use the Difference of Squares rule to multiply (7x−3)(7x+3)<br> HELPPPP

Luda [366]

Answer:

x^4 + 7x^3 + 12x^2

Simplifying

x4 + 7x3 + 12x2

Reorder the terms:

12x2 + 7x3 + x4

Factor out the Greatest Common Factor (GCF), 'x2'.

x2(12 + 7x + x2)

Factor a trinomial.

x2((4 + x)(3 + x))

Final result:

x2(4 + x)(3 + x)

Step-by-step explanation:

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3 years ago

I dont understand what to do and what the answer is

hodyreva [135]

Answer:

-1

Step-by-step explanation:

slope=(y2-y1)/(x2-x1)=(2-4)/(0+2)=-2/2=-1

3 0

2 years ago

Read 2 more answers

What is the square root of 59,13,2,and 7/2 rounded to the nearest tenth.

densk [106]

Answer:check the pic

Step-by-step explanation:

7 0

4 years ago

$1 invested for 1 Year at 7.2% compound semiannually

WITCHER [35]

Answer:

Sum = $1.073

Interest = $0.073

Step-by-step explanation:

Given that $1 is invested for one year at 7.2% interest which compounds semi-annually.

Semi-annual means there should be two equal intervals in a year i.e. 6 months interval.

Now, the semi-annual rate of interest is $\frac{7.2}{2} = 3.6$ %.

Therefore, the invested money will become $1\times [1 + \frac{3.6}{100} ]^{2}$

= $1.073

Therefore, the interest obtained will be $(1.073 - 1) = $0.073. ( Answer )

7 0

3 years ago