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3 years ago

(45 - 18)/(3 x 3)?????????

Mathematics

2 answers:

TEA [102]3 years ago

3 0

Answer: 3

Step-by-step explanation:

45 - 18 = 27

3 x 3 = 9

27/9 = 3

STatiana [176]3 years ago

3 0

Answer:

The answer should be 3

Step-by-step explanation:

First, you start off with the 45 - 18 which gives you 27.

Then, you multiply 3 x 3 and that's 9.

Lastly, you divide 27 by 9 and that gives you 3.

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bekas [8.4K]

Answer:

$(x-1)(2x^2+x+2)$

Step-by-step explanation:

Factorize:

$f(x)=2x^3-x^2+x-2$

<u>Factor Theorem</u>

If f(a) = 0 for a polynomial then (x - a) is a factor of the polynomial f(x).

Substitute x = 1 into the function:

$\implies f(1)=2(1)^3-1^2+1-2=0$

Therefore, (x - 1) is a factor.

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$\implies f(x)=(x-1)(ax^2+bx+c)$

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$\implies f(x)=ax^3+bx^2+cx-ax^2-bx-c$

$\implies f(x)=ax^3+(b-a)x^2+(c-b)x-c$

Comparing coefficients with the original polynomial:

$\implies ax^3=2x^3 \implies a=2$

$\implies (b-a)x^2=-x^2 \implies b-2=-1 \implies b=1$

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$\implies f(x)=(x-1)(2x^2+x+2)$

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