3 years ago

Simplify the polynomial by using foil or box method (2y-1)(y+4)

Mathematics

1 answer:

Sav [38]3 years ago

3 0

So foil
2y² +8y -y-4 = 2y²+7y-4

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adell [148]

Answer:

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Step-by-s.ep explanation:

6. Let the 3 integers be k-2, k and k+2.

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k^2 + 2k - k^2 + 2k = 28

4k = 28

k = 7.

So the 3 integers are 5, 7 and 9.

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3 years ago

100 POINTS! WILL MAKE BRAINLIEST IF RIGHT!!!!

Rashid [163]

Answer:

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Step-by-step explanation:

If you examine the diagram you can know

<h3><u>Extra information</u><u> </u><u>:</u><u>-</u></h3>

$y=\dfrac {1}{x}$

$\setlength{\unitlength}{2.5mm}\begin{picture}(10,10)\linethickness{0.45mm}\put(20,20){\vector(2,0){18}}\put(20,20){\vector(-2,0){18}}\put(20,20){\vector(0,2){18}}\put(20,20){\vector(0,-2){18}}\multiput(19.35,6)(0,2){15}{\line(1,0){1.3}}\multiput(6,19.35)(2,0){15}{\line(0,1){1.3}}\put(20,20){\circle*{1}}\qbezier(20.5,35)(20,20)(35,20.5)\qbezier(19.5,5)(20,20)(5,19.5)\end{picture}$