Question Factor the expression 2(x2−43) Evaluate 2x2−86Solution 2(x2−43) Show Solution Find the roots x1=−43,x2=43Alternative Form x1≈−6.557439,x2≈6.557439 Evaluate 2x2−86To find the roots of the expression,set the expression equal to 0 2x2−86=0Move the constant to the right-hand side and change its sign 2x2=0+86Removing 0 doesn't change the value,so remove it from the expression 2x2=86Divide both sides 22x2=286Divide the numbers x2=286Divide the numbers More Steps Evaluate 286Reduce the numbers 143Calculate 43 x2=43Take the root of both sides of the equation and remember to use both positive and negative roots x=±43Separate the equation into 2 possible cases x=43x=−43Solution x1=−43,x2=43Alternative Form x1≈−6.557439,x2≈6.557439 Show Solution
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