Question Simplify the expression 21ϕ3 Evaluate ϕ×ϕ2×126Cancel out the common factor 6 ϕ×ϕ2×21Multiply the terms with the same base by adding their exponents ϕ1+2×21Add the numbers ϕ3×21Solution 21ϕ3 Show Solution Find the roots ϕ=0 Evaluate ϕ×ϕ2×126To find the roots of the expression,set the expression equal to 0 ϕ×ϕ2×126=0Cancel out the common factor 6 ϕ×ϕ2×21=0Multiply More Steps Multiply the terms ϕ×ϕ2×21Multiply the terms with the same base by adding their exponents ϕ1+2×21Add the numbers ϕ3×21Use the commutative property to reorder the terms 21ϕ3 21ϕ3=0Rewrite the expression ϕ3=0Solution ϕ=0 Show Solution