Mathematics
28.07.2021 09:53
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WILL GIVE BRAINLIEST PLS HELP Check all of the following that are a solution of

WILL GIVE BRAINLIEST PLS HELP Check all of the following that are a solution of

Square root of 2x+3 minus square root x+1 =1

–3

–1

1

3
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manaisialockhart12
manaisialockhart12
4,8(14 marks)
To find the solutions to this equation, we can apply the quadratic formula. This quadratic formula solves equations of the form ax^2 + bx + c = 0
                                           x = [ -b ± √(b^2 - 4ac) ] / (2a)
                                           x = [ -8 ± √((8)^2 - 4(2)(3)) ] / ( 2(2) )
                                           x = [-8 ± √(64 - (24) ) ] / ( 4 )
                                           x = [-8 ± √(40) ] / ( 4)
                                           x = [-8 ± 2*sqrt(10) ] / ( 4 )
                                           x = -2 ± sqrt(10)/2
The answers are -2 + sqrt(10)/2 and -2 - sqrt(10)/2.

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