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hoa [83]
3 years ago
7

2(x+3)=x-4 solving equations

Mathematics
2 answers:
Harlamova29_29 [7]3 years ago
6 0

Answer:

x= -10

Step-by-step explanation:

2(x+3) = x-4

  • Distribute to simplify left side, 2x+6= x-4
  • -x both sides, x+6= -4
  • subtract 6 both sides, x=-10

Harrizon [31]3 years ago
4 0

Answer:

X=-10 most likely

Step-by-step explanation:

2x+6=x-4

2x-x=-6-4

X=-10

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What is the discontinuity and zero of the function f(x) = 3x^2 + x - 4 / x-1
7nadin3 [17]
Ans: Option (1) <span>Discontinuity at (1, 7), zero at ( negative four thirds , 0) 
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Explanation:
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f(x) = \frac{3x^2 + x - 4}{x-1} \\ f(x) = \frac{3x^2 + 4x - 3x - 4}{x-1} \\ f(x) = \frac{x(3x+4)-1(3x+4)}{x-1} \\ f(x) = \frac{(x-1)(3x+4)}{(x-1)} \\ f(x) = 3x+4 \\ now ~ insert ~ x=1: \\ f(1) = 3(1) + 4 = 7 \\ It~means~discontinuity~at~(1,7).\\ Now~let~us~find~zeros.\\ put~ f(x) = 3x+4 ~ equals~ to ~zero. \\ =\ \textgreater \ ~3x+4 = 0 \\ =\ \textgreater \  ~ x =  \frac{-4}{3} \\ Hence~zeros=(  \frac{-4}{3}, 0)

5 0
3 years ago
1. Solve the equation for x.<br> =x+6=-8
Katarina [22]

Answer:

x = -14

Step-by-step explanation:

x + 6 = -8

   -6     -6

x = -14

8 0
3 years ago
Read 2 more answers
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