Pergunta Simplify the expression −47x4a2 Evaluate −27x2×21a2x2Solução Mais Passos Evaluate 27x2×21a2x2Multiply the terms Mais Passos Evaluate 27×21To multiply the fractions,multiply the numerators and denominators separately 2×27Multiply the numbers 47 47x2a2x2Multiply the terms with the same base by adding their exponents 47x2+2a2Add the numbers 47x4a2 −47x4a2 Mostrar solução