5[3(x+4)-2(1-x)]-x-15=14x+55 what is x
1 answer:
Answer:
The value of x is 2
Step-by-step explanation:
Given expression as :
5 [ 3 (x + 4) - 2 (1 - x) ] - x - 15 = 14 x + 55
Or , 5 [ 3 x + 12 - 2 + 2 x ] - x - 15 = 14 x + 55
Or, 5 [ 5 x + 10 ] - x - 15 = 14 x + 55
Or, 25 x + 50 - x - 15 = 14 x + 55
Or , 24 x + 35 = 14 x + 55
Or, 24 x - 14 x = 55 - 35
Or, 10 x = 20
∴ x = = 2
Hence The value of x is 2 . Answer
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<u>Answer-</u>
<em>D. The function has one real zero and two nonreal zeros. The graph of the function intersects the x-axis at exactly one location.</em>
<u>Solution-</u>
The given polynomial is,
The zeros of the polynomials are,
Therefore, this function has only one real zero i.e 1 and two nonreal zeros i.e ±√6i . The graph of the function intersects the x-axis at exactly one location i.e at x = 1
