3 years ago

The product of a number and nine increase by four is 58 find the number

Mathematics

1 answer:

Art [367]3 years ago

5 0

The number of the product is 9

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Read 2 more answers

Solve (x + 9)² = 25.

ollegr [7]

The answer is x = -4.
Applying the square root property of equality basically means that we need to take the square roots of both sides.

$\sqrt{(x+9)^{2} }= \sqrt{25}$

Which turns into: $x+9=5$

Then we can isolate x by subtracting 9 from both sides: $x=-4$