Factor 6a2 - 23a - 4.

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15-04-2017
Mathematics

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Factor 6a2 - 23a - 4.

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cher cher · Answer 1 · 2017-04-16T03:46:36+02:00

6a² - 23a - 4

If your answer choices are:

A) (6a - 1)(a + 4)
B) (6a + 1)(a - 4)
C) (6a+ 4)(a - 1)

Then all you have to do is simplify them & see which one equals 6a² - 23a - 4

Let's look at A first.

a) (6a - 1)(a + 4)

Simplify.

6a² + 24a - a - 4

Simplify.

6a² + 23a - 4

So, A) is incorrect.

B) (6a + 1)(a - 4)

Simplify.

6a² - 24a + a - 4

Simplify.

6a² - 23a - 4

So, B) (6a + 1)(a - 4) is CORRECT.

Just in case, let's check C.

C) (6a + 4)(a - 1)

Simplify.

6a² - 6a + 4a - 4

Simplify.

6a² - 2a - 4

So, C is incorrect.

Therefore, B) (6a + 1)(a - 4) is CORRECT

~Hope I helped!~