Question Factor the expression 21(5−406a) Evaluate 25−203aSolution 21(5−406a) Show Solution Find the roots a=4065Alternative Form a≈0.012315 Evaluate 25−203aTo find the roots of the expression,set the expression equal to 0 25−203a=0Move the constant to the right-hand side and change its sign −203a=0−25Removing 0 doesn't change the value,so remove it from the expression −203a=−25Change the signs on both sides of the equation 203a=25Multiply by the reciprocal 203a×2031=25×2031Multiply a=25×2031Solution More Steps Evaluate 25×2031To multiply the fractions,multiply the numerators and denominators separately 2×2035Multiply the numbers 4065 a=4065Alternative Form a≈0.012315 Show Solution
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