Question Simplify the expression −5x−21y7 Evaluate 2x−7y4×y2×3y−7xMultiply More Steps Multiply the terms −7y4×y2×3yMultiply the terms −21y4×y2×yMultiply the terms with the same base by adding their exponents −21y4+2+1Add the numbers −21y7 2x−21y7−7xSolution More Steps Evaluate 2x−7xCollect like terms by calculating the sum or difference of their coefficients (2−7)xSubtract the numbers −5x −5x−21y7 Show Solution