What is (-9sqrt(-63))(-sqrt(-49)) ?

The solution to (-9sqrt(-63))(-sqrt(-49)) is -189sqrt(7)

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simplify (-9sqrt(-63))(-sqrt(-49))

simplify

(- 9 - 63) (- - 49)

- 1897

Decimal Notation

- 500.04699 \dots

Solution steps

(- 9 - 63) (- - 49)

Apply rule:

(- a) (- b) = ab

(- 9 - 63) (- - 49) = 9 - 63 - 49

= 9 - 63 - 49

- 63 = 3 - 7

= 9 \cdot 3 - 7 - 49

- 49 = 7 - 7

= 9 \cdot 3 - 7 7 - 7

Apply radical rule:

a a = a, a \geq 0

- 7 - 7 = - 7

= 9 \cdot 3 (- 7) 7

Multiply the numbers:

9 \cdot 3 (- 7) = - 189

= - 1897

\frac{x ^{2} + 3 x}{x ^{2} + 5 x + 6}

(4 x - 2)^{3}

- 3 \times 5

2 x (x + 4)

\frac{1}{2} sin (x)

What is (-9sqrt(-63))(-sqrt(-49)) ?
The solution to (-9sqrt(-63))(-sqrt(-49)) is -189sqrt(7)