Question Factor the expression 3(x2−10) Evaluate 3x2−30Solution 3(x2−10) Show Solution Find the roots x1=−10,x2=10Alternative Form x1≈−3.162278,x2≈3.162278 Evaluate 3x2−30To find the roots of the expression,set the expression equal to 0 3x2−30=0Move the constant to the right-hand side and change its sign 3x2=0+30Removing 0 doesn't change the value,so remove it from the expression 3x2=30Divide both sides 33x2=330Divide the numbers x2=330Divide the numbers More Steps Evaluate 330Reduce the numbers 110Calculate 10 x2=10Take the root of both sides of the equation and remember to use both positive and negative roots x=±10Separate the equation into 2 possible cases x=10x=−10Solution x1=−10,x2=10Alternative Form x1≈−3.162278,x2≈3.162278 Show Solution