Q. Simplify using Factorization: (65y3(50y2−98))/(26y2(5y+7))
Write Expression: Write down the expression that needs to be simplified.26y2(5y+7)65y3(50y2−98)
Factor Common Factors: Factor out the common factors in the numerator and the denominator.In the numerator, 65y3 is a common factor, and in the denominator, 26y2 is a common factor. We can also notice that 65=13×5 and 26=13×2, so there is a common factor of 13 in the numerator and denominator.
Simplify Common Factors: Simplify the common factors between the numerator and the denominator.Divide both the numerator and the denominator by the common factors. We have:2665=25 (since both are divisible by 13)y2y3=y (since y3 divided by y2 is y)Now the expression looks like this:25⋅y⋅5y+750y2−98
Find Common Factors: Look for common factors in the remaining terms of the numerator and the denominator.We can factor the numerator 50y2−98 by looking for a common factor of 50 and 98, which is 2. So we can write:50y2−98=2(25y2−49)Notice that 25y2−49 is a difference of squares and can be factored further as (5y+7)(5y−7).
Rewrite with Factored Form: Rewrite the expression with the factored form of the numerator.Now the expression is:(25)⋅y⋅2(5y+7)(5y−7)/(5y+7)
Cancel Common Factors: Cancel out the common factors in the numerator and the denominator.The (5y+7) term is present in both the numerator and the denominator, so they cancel each other out. We are left with:(25)×y×2×(5y−7)
Simplify Remaining Expression: Simplify the remaining expression.The 2 in the numerator and the 2 in the denominator cancel each other out, leaving us with:5y×(5y−7)
Multiply Remaining Terms: Multiply out the remaining terms. 5y×(5y−7)=25y2−35y