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Radda [10]
3 years ago
9

What is the product of this following expression (3x +6)`2

Mathematics
2 answers:
Reika [66]3 years ago
7 0
(3x + 6)²

(3x + 6)(3x + 6)

Simplify.

9x² + 18x + 18x + 36

Add like terms.

9x² + (18x + 18x) + 36

Simplify.

9x² + 36x + 36

~Hope I helped!~
grin007 [14]3 years ago
5 0
Hi

(3x + 6)²
(3x + 6)(3x +6)
Distribute
(3x)(3x)+(3x)(6)+(6)(3x)+(6)(6)
9x² + 18x + 18x + 36
9x² + 36x + 36


A+ guaranteed!!!  

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I got one

Step-by-step explanation:

C.converse of the corresponding angles postulate

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∠1 and ∠2 form a straight angle and are supplementary, thus

∠2 = 180° - 58° = 122°

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Describe the main parts of a proof
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An item is priced at $13.57. If the sales tax is 7%, what does the item cost including sales tax?
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5 0
3 years ago
If a/4 = 9/a, then<br> a²=36<br> 4a = 9a<br> a + 4 = 9 + a<br> a - 4 = 9 - a
Anna [14]

Answer:

Option A is correct.

The given expression : \frac{a}{4} = \frac{9}{a} then;

a^2 = 36

Step-by-step explanation:

Given the expression: \frac{a}{4} = \frac{9}{a}

Cross multiplication the given expression following steps are as follow;

  • Multiply  numerator of the left-hand fraction by the denominator of the right-hand fraction
  • Also, Multiply numerator of the right-hand fraction by the denominator of the left-hand fraction.
  • then, set the two products equal to each other.

Using cross multiplication, on the given expression;

\frac{a}{4} = \frac{9}{a}

First multiply the numerator of the left hand fraction(i.e,a ) by the denominator of the right hand fraction (i,e a)

we have;

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

Simplify:

\frac{a^2}{4} =9                              [1]

now, multiply numerator of the right-hand fraction( i.e, 9) by the denominator of the left-hand fraction (i.e, 4 ) in [1]

we have;

a^2 = 9\times 4

Simplify:

a^2 = 36

Therefore, the given expression is equal to: a^2 = 36




6 0
3 years ago
Read 2 more answers
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