3 years ago

Write an Algebraic expression for 3 times X squared minus 4 times X

Mathematics

2 answers:

LenaWriter [7]3 years ago

8 0

Answer:

3x2 - 4x

Step-by-step explanation:

this is the algebric expression

zmey [24]3 years ago

5 0

3x^2 - 4x

Of course, if you are writing this down, just square the x

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Tanzania [10]

Answer:

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Step-by-step explanation:

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2 years ago

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wolverine [178]

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3 years ago

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aliya0001 [1]

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3 years ago

Using the Quadratic Formula, which of the following is the solution to the quadratic equation x2 + 2x - 3 = 0?

saw5 [17]

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Step-by-step explanation:

Quadratic formula is $-b+-\sqrt{b^{2}-4ac } /2$

a=1 b=2 c=-3

Substitute

$(-2+-\sqrt{2^{2}-4(1)(-3) }) /2\\(-2+-\sqrt{4+12}) /12\\(-2+-\sqrt{16}) /2\\(-2+-4) /2\\x=\frac{-2+4}{2} \\x=\frac{-2-4}{2} \\\\\\Simplify\\x=\frac{2}{2} \\\\x=\frac{-6}{2} \\\\Simplify\\x=1\\x=-3$

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