2(5x + 2) ² = 48
Simplify.
2{(5x × 5x) + (2 × 2)} = 48
Simplify.
2(25x² + 4) = 48
Simplify.
50x² + 8 = 48
Subtract 8 from both sides.
50x² = 48 - 8
Simplify.
50x² = 40
Divide both sides by 50.
x² = 40/50
Simplify.
x² = 4/5
Find the square root of 4 AND 5
√4 = 2
√5 = 2.2
So, x = 2/2.2
Simplify.
x = 1.1
~Hope I helped!~