Question

(c+7)²=?
(k+0,3)²=?
(d+0,5²)²=?
(0,2+x)²= ?
(b+4a)²=?
(2x+1)²=?
(6a+2b)²=?
(1/2c +b)²=?
(x+1/5y)²=?
(0,4x+3y)²=?
(12a+3)²=?
(0,8x+5)²=?
(c³+8)²=?
(2a+b²)²=?
(11a²+2b)²=?
(a⁴+1)²=?
(4b+9a)²=?
(0,5a+60b)²=?
(0,2x+0,6y)²=?
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