Answer:
3 • (x2 - x + 3)
Step-by-step explanation:
Step 1 :
Equation at the end of step 1 :
(3x2 + 7) - (3x - 2)
Step 2 :
Step 3 :
Pulling out like terms :
3.1 Pull out like factors :
3x2 - 3x + 9 = 3 • (x2 - x + 3)
Trying to factor by splitting the middle term
3.2 Factoring x2 - x + 3
The first term is, x2 its coefficient is 1 .
The middle term is, -x its coefficient is -1 .
The last term, "the constant", is +3
Step-1 : Multiply the coefficient of the first term by the constant 1 • 3 = 3
Step-2 : Find two factors of 3 whose sum equals the coefficient of the middle term, which is -1 .
-3 + -1 = -4
-1 + -3 = -4
1 + 3 = 4
3 + 1 = 4
Observation : No two such factors can be found !!
Conclusion : Trinomial can not be factored
Final result :
3 • (x2 - x + 3)
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x=3
Step-by-step explanation:
five time three is fifteen minus three is twelve.
The answer is 40 you do 10 times 4 I hope it helped you you only need to multiply
Answer: 5
Step-by-step explanation:
There are two similar triangles here, the smaller superimposed on the bigger one. One thing here is that, one of their three sides are parallel to each other .
When the triangles are separated, one side of the bigger triangle = 24, and this correspond to 10 in the smaller triangle.
The size of the other side in the bigger triangle = 2x - 3 + x
= 3x - 3
This correspond to x in the smaller triangle.
Now by considering congruent triangles now,
10/24 = x/3x - 3
Therefore, cross multiply to get the value of x
10(3x - 3 ) = 24x
Open the brackets and collect like terms,
30x - 30 = 24x
30x - 24x = 30
6x = 30
Therefore, divide through by 6 x = 5
Answer:
-8
Step-by-step explanation:
