Simplify -3b(ab+b2)+600 and find its value for a=4 and b=5
Answers
Answered by
25
-3ab^2-3b^3+600
then if a=4. b=5
-3(4)(25)-3(125)+600
-300-375+600
-75 is the ans
then if a=4. b=5
-3(4)(25)-3(125)+600
-300-375+600
-75 is the ans
Answered by
4
-3×5(4×5+5×2)+600
-15(20+10)+600
-15(30)+600
-450+600
150 ans
-15(20+10)+600
-15(30)+600
-450+600
150 ans
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