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Simplify quantity x squared plus 5 x plus 6 end quantity over quantity x plus 2 x2 + 1 x2 − 1 x + 3 x − 3

User Domi
by
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2 Answers

6 votes

Answer:

Answer X+3

Explanation:

User Sergei Stralenia
by
8.0k points
0 votes

Answer:


(x^2+5x+6)/(x+2)


x+3

Explanation:

To simplify:


(x^2+5x+6)/(x+2)

To simplify the given expression we need to factor the numerator.

We have


x^2+5x+6

Using split the middle term method by splitting
5x into two terms
ax and
bx such that
ax+bx=5x and
ax(bx)=6x^2

We see that [
ax=2x and
bx=3x]

Thus we can write


x^2+2x+3x+6

Factoring in pairs by taking the GCF of terms in pairs.


x(x+2)+3(x+2)

Factoring the whole expression as
(x+2)is a common factor.


(x+2)(x+3)

Now, the expression can be rewritten as:


((x+2)(x+3))/(x+2)

Canceling out the common expressions, we have.


x+3

User Tophatsteve
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