Question Simplify the expression 315b−126 Evaluate 7(5b−2)×9Multiply the terms 63(5b−2)Apply the distributive property 63×5b−63×2Multiply the numbers 315b−63×2Solution 315b−126 Show Solution Find the roots b=52Alternative Form b=0.4 Evaluate 7(5b−2)×9To find the roots of the expression,set the expression equal to 0 7(5b−2)×9=0Multiply the terms 63(5b−2)=0Rewrite the expression 5b−2=0Move the constant to the right side 5b=0+2Removing 0 doesn't change the value,so remove it from the expression 5b=2Divide both sides 55b=52Solution b=52Alternative Form b=0.4 Show Solution
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