2 years ago

I need help putting correct answers in the yellow boxes.

Mathematics

1 answer:

olasank [31]2 years ago

7 0

Answer:

-5 ± √5² - 4 · 1 · 4

2 · 1

Step-by-step explanation:

ax²+bx+c=0 (quadratic equation)

x= -b ± √b² - 4ac

a= 1

b= 5

c= 4

-5 ± √5² - 4 · 1 · 4

2 · 1

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trasher [3.6K]

Answer:

2x - 2y = -8

x + 2y = -1

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Step-by-step explanation:

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3 years ago

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3 years ago

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Answer: the answer is c

Step-by-step explanation:

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1 year ago

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mezya [45]

Val will plant:
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This is equal to:
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4 years ago

Factor x^4 + x y^3 + x^3 + y^3 completely. Show your work.

andrey2020 [161]

$\bf x^4+xy^3+x^3+y^3\impliedby \textit{now let's do some grouping}
\\\\\\
(x^4+xy^3)~~+~~(x^3+y^3)\implies x(x^3+y^3)~~+~~(x^3+y^3)
\\\\\\
\stackrel{\stackrel{common}{factor}}{(x^3+y^3)}(x+1)\\\\
-------------------------------\\\\
\textit{now recall that }\qquad \qquad \textit{difference of cubes}
\\ \quad \\
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-------------------------------\\\\
(x+y)(x^2-xy+y^2)(x+1)$

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3 years ago