The number of real roots of the equation (x+3)²+(x+1)²+(x-5)²+(x-6)²=0 is
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Sal solves the equation (x+3)²-4=0 and finds the x-intercepts of f(x)=(x-2)²-9. ... x+ 3^2 to be 2x+9=4 -subtract by 9 which would be 2x=-5 that wont work either. Reply. Reply to ... 1) You can solve using square root method, as shown in the video. 2) You can ... Factor the trinomial: find factors of 4 that also add to 6. Use 5 and 1.
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