3 years ago

Factorise using the difference of two squares: I)4x squared-(2x+3) squared

1 answer:

8 0

4x² - (2x + 3)²
4x² - (2x + 3)(2x + 3)
4x² - (2x(2x + 3) + 3(2x + 3))
4x² - (2x(2x) + 2x(3) + 3(2x) + 3(3))
4x² - (4x² + 6x + 6x + 9)
4x² - (4x² + 12x + 9)
4x² - 4x² - 12x - 9
-12x - 9
-3(4x) - 3(3)
-3(4x + 3)

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Fofino [41]

Answer:

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2x+8=-10

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4 years ago

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Aleks04 [339]

Answer:

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Step-by-step explanation:

Given

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Required

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We start by expressing the content of the square root in the following form:

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This can be expressed using interval notation as follows:

$\{x: -3, infiniti\}$

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4 years ago

Geometry question shown above.

Colt1911 [192]

I believe the answer is C, 68.

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4 years ago

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adell [148]

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