What are the x intercepts of #(x+4)^2-3=0#?
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1 Answer
Jul 11, 2018
Explanation:
#"add 3 to both sides"#
#(x+4)^2=3#
#color(blue)"take the square root of both sides"#
#sqrt((x+4)^2)=+-sqrt3larrcolor(blue)"note plus or minus"#
#x+4=+-3#
#"subtract 4 from both sides"#
#x=-4+-sqrt3larrcolor(red)"exact values"#
#x~~-5.73" or "x~~-2.27" to 2 dec. places"#
