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77julia77 [94]
3 years ago
6

Product of (2+x) and (2-x) is​

Mathematics
2 answers:
mafiozo [28]3 years ago
8 0

Use FOIL,

(2+x)(2-x)=4-2x+2x-x^2=4-x^2.

djverab [1.8K]3 years ago
8 0

Answer:

4 - x²

Step-by-step explanation:

(2 + x)(2 - x)

Each term in the second factor is multiplied by each term in the first factor

= 2(2 - x) + x(2 - x) ← distribute both parenthesis

= 4 - 2x + 2x - x² ← collect like terms

= 4 - x²

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7 more than 5 times a number is 122
Luba_88 [7]

Answer:

The number is 23.

Step-by-step explanation:

5n + 7 = 122               Subtract 7 on both sides

     5n = 115                 Isolate the variable by dividing 5 on both sides

        n = 23

<h3><u><em>Hope this helps!!! </em></u></h3><h3><u><em>Please mark this as brainliest!!! </em></u></h3><h3><u><em>Thank You!!! </em></u></h3><h3><u><em>:)</em></u></h3>
4 0
3 years ago
I need help solving this equation
solmaris [256]

Answer:

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Step-by-step explanation:

-2-7 * 109

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4 0
3 years ago
Read 2 more answers
What value should go in the empty box to complete the calculation for finding the product of 62.834 × 0.45? A)2,213,360 B)2,313,
Aleonysh [2.5K]

Answer:

28.27530

Step-by-step explanation:

Given the expression 62.834 × 0.45, to solve this expression, first we need to convert it to fraction

62.834 = 62834/1000

0.45 = 45/100

Take the product if the resulting fraction:

62.834 × 0.45 = 62834/1000 × 45/100

= (62834×45)/1000×100

= 2,827,530/100,000

= 28.27530

7 0
3 years ago
13. y =<br> -x2 + 12x - 5<br> Axis of symmetry (aos):
marissa [1.9K]

Answer:

Slope = 24.000/2.000 = 12.000

When y = 0 the value of x is 5/-12 the line therefore crosses the x axis at x=-0.41667

x-intercept = 5/-12  = -0.41667

4 0
3 years ago
Please help!! asap!!!
Lubov Fominskaja [6]

Solution:

Rewrite 3 ≥ y - 2 for easier calculation:

y - 2 ≤ 3

Move the term:

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When graphing the solution, filled dot (black arrow) is used for ≤ and ≥ while empty dot (white arrow) is used for < >

6 0
3 years ago
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