Answer:
Step-by-step explanation:
(2x)²+(x+3)²=(2x+2.4)²
4x²+x²+6x+9=4x²+9.6x+5.76
5x²+6x+9-4x²-9.6x-5.76=0
x²-3.6x+3.24=0
(x-1.8) ²=0
x-1.8=0 => x=1.8 cm
Domain: (-∞,∞)
Range: {−27}
-4b/19=32/19
answer: b= -8
2 + 3 is 5
4 + 1 is 5
so they are equal. what sign is that?