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Debora [2.8K]
3 years ago
10

(X-1)(x+2) + (x-3)(x+1)

Mathematics
1 answer:
Vsevolod [243]3 years ago
3 0

Answer:

2x²-x-5

Step-by-step explanation:

When multiplying 2 brackets, use the FOIL method. That is, multiply the FIRST terms of each bracket, then the OUTER ones (first term of first bracket and last term of second bracket), INNER (last term of first bracket and first term of second bracket) and finally the LAST terms of each bracket. Thereafter, add up the like terms.

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Step-by-step explanation:

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Read 2 more answers
Which number is greater: 1/4 or 5/4 ?
tatiyna

Answer:

1/4 < 5/4

Step-by-step explanation:

Since the numbers have the same denominator, we compare the numerators

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3 years ago
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2 1/4 x2 1/4 in mixed number
maks197457 [2]

Answer:

5 \frac{1}{16} is the answer.

Step-by-step explanation:

Given:

2 \frac{1}{4} \times 2 \frac{1}{4}

<u>Step 1: Converting the mixed fraction into  fraction:</u>

Multiply  4 by 2 add  1 to the result.

<u></u>2\frac{1}{4}  =  \frac{4 \times 2+1}{4}

=\frac{8+1}{4}

=\frac{9}{4}

<u>Step 2: Performing the multiplication using the fraction</u>

= >\frac{9}{4} \times \frac{9}{4}

=> \frac{81}{16}

<u>Step 3: Converting the product back to  mixed fraction </u>

divide 81 by 16 and find the remainder

=>quotient \frac{remainder}{divisor}

Dividing 81 by 16 we get  5 as quotient and 1 as remainder

Thus the result in  mixed fraction will be

=> 5 \frac{1}{16}

4 0
3 years ago
Expanded form of 582, 030
Step2247 [10]

Expanded form of 582, 030

500000 + 80000 + 2000 + 30

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3 years ago
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