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3 years ago

15

Factor? 3x^2- 15x + 18

2 answers:

Semmy [17]3 years ago

8 0

<h3><u>Ⲁⲛ⳽ⲱⲉⲅ:</u></h3>

<u>▶( x - 3 ) ( 3x - 6 )</u>

<h3><u>Ⲋⲟⳑⳙⲧⳕⲟⲛ :‎</u></h3>

ㅤ‎ㅤ‎ㅤ➙ 3x² - 15x + 18‎

ㅤ‎ㅤ‎ㅤ➙ 3x² - 9x - 6x + 18‎

ㅤ‎ㅤ‎ㅤ➙ 3x ( x - 3 ) + 6 ( - x + 3 )‎

ㅤ‎ㅤ‎ㅤ➙ 3x ( x - 3 ) - 6 ( x - 3 )‎

ㅤ‎ㅤ‎ㅤ➙ <u>( x - 3 ) ( 3x - 6 )</u>

vodka [1.7K]3 years ago

5 0

Hello!

Use the Big X method, since the leading coefficient is greater than 1

Now, let me clarify this a little.

First of all, we should multiply 3 times 18:

54

Now, think of 2 numbers that multiply to 54 and add to 15.

The numbers are 6 and 9.

Now, split the middle:

3x²-6x-9x+54

I hope it helps!

Good luck and enjoy your day!

-SnowFlake

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