Question Simplify the expression 4b2−8 Evaluate b2×4−8Solution 4b2−8 Show Solution Factor the expression 4(b2−2) Evaluate b2×4−8Use the commutative property to reorder the terms 4b2−8Solution 4(b2−2) Show Solution Find the roots b1=−2,b2=2Alternative Form b1≈−1.414214,b2≈1.414214 Evaluate b2×4−8To find the roots of the expression,set the expression equal to 0 b2×4−8=0Use the commutative property to reorder the terms 4b2−8=0Move the constant to the right-hand side and change its sign 4b2=0+8Removing 0 doesn't change the value,so remove it from the expression 4b2=8Divide both sides 44b2=48Divide the numbers b2=48Divide the numbers More Steps Evaluate 48Reduce the numbers 12Calculate 2 b2=2Take the root of both sides of the equation and remember to use both positive and negative roots b=±2Separate the equation into 2 possible cases b=2b=−2Solution b1=−2,b2=2Alternative Form b1≈−1.414214,b2≈1.414214 Show Solution