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Mathematics

1 answer:

MariettaO [177]3 years ago

3 0

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Solve. You must factor first. 5x^2+ 17x+ 14=0 Please show work

Soloha48 [4]

Answer:

the answer is X=-3

1) 5x^2+17x+14=0

2)5x^2+17x=-14+0

3)25x+17x=-14

4)42x=-14

5)42x/-14

6)x=-3

4 0

3 years ago

I have attached the question IF ANSWERED WITHIN 10 MINUTES I WILL AWARD BRAINLIEST

Reil [10]

<3 +<4= 180
<3+25+52=180 from here <3=180-77=103
using this in first equation: 103+<4=180 <4=180-103=77
as you can see <4=77 which is the the sum of 25+52

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3 years ago

Solve sec2theta + tantheta - 3 =0 for 0

Serhud [2]

Answer:

Ф = $\frac{\pi }{4} ,\frac{5\pi}{4}$

Step-by-step explanation:

It is a bit difficult to input the work here, so I uploaded an image

First we can use the trig identities to change sec²(Ф) to tan²(Ф) + 1
Then we can combine like terms
Then we can factor this as a polynomial function
Then we can set each term equal to zero and solve for Ф
The first term tan(Ф) - 2 = 0 has no solution because tan(Ф) ≠ -2 anywhere
The second term tan(Ф) - 1 = 0 has two solutions of $\frac{\pi}{4}$ and $\frac{5\pi}{4}$ so these are the solutions to the problem