Câu hỏi Simplify the expression −42x5 Evaluate −21x4×2xMultiply the terms −42x4×xMultiply the terms with the same base by adding their exponents −42x4+1Giải pháp −42x5 Hiển thị giải pháp Find the roots x=0 Evaluate −21x4×2xTo find the roots of the expression,set the expression equal to 0 −21x4×2x=0Multiply Thêm Bước Multiply the terms −21x4×2xMultiply the terms −42x4×xMultiply the terms with the same base by adding their exponents −42x4+1Add the numbers −42x5 −42x5=0Change the signs on both sides of the equation 42x5=0Rewrite the expression x5=0Giải pháp x=0 Hiển thị giải pháp