Question

Va rog frumos!(Pt. scoala)

Answer 1

$(2x) {}^{2} = 2 {}^{2} \times {}^{2} = 4x {}^{2}$
$( - 3x {}^{3} ) {}^{2} = ( - 3) {}^{2} \times (x3) {}^{2} = 9x {}^{6}$
(2√3y²)²= 4×3y⁴= 12y⁴
(-2/5x²y)²= (-2/5)²x(x²)²xY²=4/25x⁴y²
(3x)*(-2y) = (3x)*(-2y)=-6xy
(√2xy²)*(-√8x2y) =-2y²*2x²y=-4x²y³