Algebra
Calculus
Trigonometry
Matrix
Question
Simplify the expression
90a2b−315ab−30a2b2+105ab2
Evaluate
5a(3−b)×3b(2a−7)
Multiply the terms
15a(3−b)b(2a−7)
Multiply the terms
15ab(3−b)(2a−7)
Multiply the terms
More Steps
Evaluate
15ab(3−b)
Apply the distributive property
15ab×3−15ab×b
Multiply the numbers
45ab−15ab×b
Multiply the terms
45ab−15ab2
(45ab−15ab2)(2a−7)
Apply the distributive property
45ab×2a−45ab×7−15ab2×2a−(−15ab2×7)
Multiply the terms
More Steps
Evaluate
45ab×2a
Multiply the numbers
90aba
Multiply the terms
90a2b
90a2b−45ab×7−15ab2×2a−(−15ab2×7)
Multiply the numbers
90a2b−315ab−15ab2×2a−(−15ab2×7)
Multiply the terms
More Steps
Evaluate
−15ab2×2a
Multiply the numbers
−30ab2a
Multiply the terms
−30a2b2
90a2b−315ab−30a2b2−(−15ab2×7)
Multiply the numbers
90a2b−315ab−30a2b2−(−105ab2)
Solution
90a2b−315ab−30a2b2+105ab2
Show Solution
