Solve 7(a * a * a * a)(4a^32a^2)

Question

Simplify the expression

56 a^{9}

Evaluate

7 (a \times a \times a \times a) (4 a^{3} \times 2 a^{2})

Remove the parentheses

7 a \times a \times a \times a \times 4 a^{3} \times 2 a^{2}

Rewrite the expression in exponential form

7 a^{4} \times 4 a^{3} \times 2 a^{2}

Multiply the terms

More Steps

Evaluate

7 \times 4 \times 2

Multiply the terms

28 \times 2

Multiply the numbers

56

56 a^{4} \times a^{3} \times a^{2}

Multiply the terms with the same base by adding their exponents

56 a^{4 + 3 + 2}

Solution

56 a^{9}

Show Solution

a = 0

Evaluate

7 (a \times a \times a \times a) (4 a^{3} \times 2 a^{2})

To find the roots of the expression,set the expression equal to 0

7 (a \times a \times a \times a) (4 a^{3} \times 2 a^{2}) = 0

Multiply

More Steps

Multiply the terms

a \times a \times a \times a

Multiply the terms with the same base by adding their exponents

a^{1 + 1 + 1 + 1}

Add the numbers

a^{4}

7 a^{4} (4 a^{3} \times 2 a^{2}) = 0

Multiply

More Steps

Multiply the terms

4 a^{3} \times 2 a^{2}

Multiply the terms

8 a^{3} \times a^{2}

Multiply the terms with the same base by adding their exponents

8 a^{3 + 2}

Add the numbers

8 a^{5}

7 a^{4} \times 8 a^{5} = 0

Multiply

More Steps

Multiply the terms

7 a^{4} \times 8 a^{5}

Multiply the terms

56 a^{4} \times a^{5}

Multiply the terms with the same base by adding their exponents

56 a^{4 + 5}

Add the numbers

56 a^{9}

56 a^{9} = 0

Rewrite the expression

a^{9} = 0

Solution

a = 0

Show Solution