3 years ago

How do you factor - 8x² +28x + 60

Mathematics

2 answers:

GalinKa [24]3 years ago

6 0

Answer:

I wasn't sure if it was a 8x^2 or a -8x^2. So I have done both.

The factor of -8x^2+28x+60 is -8(x^2-11).

The factor of 8x^2+28x+60 is 4(2x^2+7x+15)

Paul [167]3 years ago

4 0

Answer:

-4 • (x - 5) • (2x + 3)

Step-by-step explanation:

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Solve the system of linear equations by substitution. 3x + y = -9 y=5x+7

11Alexandr11 [23.1K]

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Let's start with the equation 3x + y = -9

Substitute the y for 5x+7 seen in the second equation

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Lets solve:

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Now we have 8x + 7 = -9

Substracy seven from each side

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8 0

3 years ago

Simplify. (-4·3·2)2 A)-48 B)-48 C)-576 D)576

Liono4ka [1.6K]

Hey there!

Your answer: -48

How?

(-4 × 3) = -12

$\downarrow$

-12 × 2 = -24

$\downarrow$

-24 × 2 = -48

Your answer: -48

4 0

4 years ago

How do you factor - 8x² +28x + 60​

How do you factor - 8x² +28x + 60