What is the answer to 5(x+3)2-3=42 ?

The answer to 5(x+3)2-3=42 is x= 3/2

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5(x+3)2-3=42

5 (x + 3) 2 - 3 = 42

x = \frac{3}{2}

Decimal Notation

x = 1.5

Solution steps

5 (x + 3) \cdot 2 - 3 = 42

Multiply the numbers:

5 \cdot 2 = 10

10 (x + 3) - 3 = 42

Move

3

to the right side

10 (x + 3) = 45

Divide both sides by

10

x + 3 = \frac{9}{2}

Move

3

to the right side

x = \frac{3}{2}

\frac{x - 5}{2} + \frac{3 x + 2}{11} = 0

4 x - 8 = 7 x - 20

y, 2 y = 3 x + 4

y, x - 4 y = - 12

8 x - 2 = 7 x + 7