Question Simplify the expression 131b−7 Evaluate b×131−7Solution 131b−7 Show Solution Factor the expression 131(b−91) Evaluate b×131−7Use the commutative property to reorder the terms 131b−7Solution 131(b−91) Show Solution Find the roots b=91 Evaluate b×131−7To find the roots of the expression,set the expression equal to 0 b×131−7=0Use the commutative property to reorder the terms 131b−7=0Move the constant to the right-hand side and change its sign 131b=0+7Removing 0 doesn't change the value,so remove it from the expression 131b=7Multiply by the reciprocal 131b×13=7×13Multiply b=7×13Solution b=91 Show Solution