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2 years ago

Factor the polynomial: 4x^2 - 121

Mathematics

2 answers:

Archy [21]2 years ago

7 0

Answer:

(2x + 11)(2x - 11)

Step-by-step explanation:

4x² - 121

rewrite the expression in the form of (a)² - (b)²:

(2x)² - (11)²

difference of squares a²-b²=(a+b)(a-b):

(2x + 11)(2x - 11)

vodomira [7]2 years ago

7 0

4x^2 equals 16 so it’s gonna be 16 -121 which equals -105

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9(5x + 1) ÷ 3y

alexdok [17]

The expression obtained after solving the given expression is, $\rm \frac{(15x+3)}{y}$

<h3>What is a BODMAS rule?</h3>

For the Bracket, Order, Division, Multiplication, Addition, and Subtraction rules, BODMAS stands for Bracket, Order, Division, Multiplication, Addition, and Subtraction.

Given expression ;

9(5x + 1) ÷ 3y

Follow the BODMAS rule;

Step 1; Divide

$\rm \frac{9(5x+1)}{3y} \\\\ \frac{3(5x+1)}{y} \\\\$

Step 2; Multiply

$\rm \frac{9(5x+1)}{3y} \\\\ \frac{(15x+3)}{y} \\\\$

Hence the expression obtained after solving the given expression is, $\rm \frac{(15x+3)}{y}$

To learn more about the BODMAS rule, refer to brainly.com/question/23827397.

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2 years ago

Jill had $125 to spend at the mall. She spent 27% of that money on a pair of shoes. Jill spent $___ on the shoes.

zaharov [31]

You need to find what 27% of $125 is.
To find a percent of a number, multiply the percent by the number.

27% of $125 =

= 27% * $125

= 0.27 * $125

= $33.75

Answer: Jill spent $33.75 on the shoes.

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3 years ago

Someone please help with this

Alex17521 [72]

Answer:

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Step-by-step explanation:

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2 years ago

Read 2 more answers

A=1/2 ap <br> What is the value of p if A=40ft2 and <br> a= 8ft?

cricket20 [7]

A=1/2ap

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3 years ago

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daser333 [38]

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Step-by-step explanation:

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2 years ago