5x2 = 3 then x2 = 3/5 so that x = sqrt(3/5) = ± 0.7746
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its 10
5x2 + 15x = 0 5x(x + 3) = 0 therefore, x = 0 or x + 3 = 0 that is, x = 0 or x = -3
X= (3/5 , -2)
1) 5x2-55=90 +55 +55 2) 10x=145 /10 /10 x=14.5
10 + 14x - 3 is pretty much the same thing as 7 + 14x. You can't solve this problem without knowing what x is or what the equation equals out to. For example, if 10 + 14x - 3 = 21, x would equal 1.