Question

vă rog ajutați mă!!!!!!!​

Answer 1

1) x²=5²=5×5=25

2) x²=64²=64×64=4096

3) x²=25²=25×25=625

4) x²=24×24=576

5) x²=(1/4)²=1/16

6) x²=(4/9)²=16/81

7) x²=(3/4)²=9/16

8) x²=(2,25)²=5,0625

Explicație:

9) (x+2)²=36

x²+2×x×2+2²=x²+4x+4

x²+4x+4=36