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Molodets [167]
2 years ago
9

Is Tara incorrect why what is my answer?

Mathematics
1 answer:
goldfiish [28.3K]2 years ago
4 0

Answer:

is tara incorrect with what?

Step-by-step explanation:

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Please answer quickly<br>expand and simplify: 4(5x-3y) (x-4y) -(3x-4y)(2x+3y)​
Gekata [30.6K]

Answer: 14x^2-93xy+60y^2 Hope that helps!

Step-by-step explanation:

1. Expand by distributing terms

(20x-12y)(x-4y)-(3x-4y)(2x+3y)

2. Use the Foil method:(a+b)(c+d)= ac+ad+bc+bd

20x^2-80xy-12yx+48y^2-(3x-4y)(2x+3y)

3. Use the Foil method : (a+b)(c+d)= ac+ad+bc+bd

20x^2-80xy-12yx+48y^2-(6x^2+9xy-8yx-12y^2)

4. Remove parentheses 20x^2-80xy-12yx+48y^2-6x^2-9xy+ 8yx+12y^2

5. Collect like terms (20x^2-6x^2)+(-80xy-12xy-9xy+8xy)+(48y^2+12y^2)

6. Simplify.

And your answer would be 14x^2-93xy+60y^2

5 0
3 years ago
Prove: cos(x+y)/cosxsiny=coty-tanx
Doss [256]
Cos (x+y)/cos x sin y    

= cos x cos y - sin x sin y  / cos x sin y

= cos x cos y/cos x sin y     - sin x sin y / cos x sin y

hope this helps
8 0
3 years ago
Read 2 more answers
Write an equation of the circle given its center and radius
BlackZzzverrR [31]

{(x + 4)}^{2}  +  {(y + 3)}^{2}  = 64

7 0
3 years ago
Del total de alumnos de una escuela de Medellín, la mitad nació en Medellín, un tercio en otros pueblos de Antioquia y los resta
lora16 [44]

Answer:

OK

Step-by-step explanation:

What language us That

5 0
3 years ago
Select the correct product.<br><br> (x 2 + 4x + 8)(2x - 1)
marusya05 [52]

Answer:

\large\boxed{(x^2+4x+8)(2x-1)=2x^3+7x^2+12x-8}

Step-by-step explanation:

Use FOIL: <em>(a + b)(c + d) = ac + ad + bc + bd</em>

(x^2+4x+8)(2x-1)\\\\=(x^2)(2x)+(x^2)(-1)+(4x)(2x)+(4x)(-1)+(8)(2x)+(8)(-1)\\\\=2x^3-x^2+8x^2-4x+16x-8\qquad\text{combine like terms}\\\\=2x^3+(-x^2+8x^2)+(-4x+16x)-8\\\\=2x^3+7x^2+12x-8

7 0
3 years ago
Read 2 more answers
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