Answer:
x= 156
Step-by-step explanation:
i had a test with the same question, i promise its right :)
Answer:
option B
Step-by-step explanation:
option B
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I’m pretty sure the answer is 4x+5
The first one is 10.5
The second is y10
And the third is 7
Answer:
B) -2.5
Step-by-step explanation:
2x^2 + 5x -3 = 0
(2x - 1)(x + 3) = 0
2x - 1 = 0; 2x = 1, so x = 1/2 = ROOT 1
x + 3 = 0, so x = -3 = ROOT 2
Now add the roots: -3 + 1/2 = - 2 1/2, so the answer is B.