Sponsor Area

गुणनखंड

Question
CBSEHHIMAH8004155

निर्देशानुसार भाग दीजिए:
20 left parenthesis straight y plus 4 right parenthesis space left parenthesis straight y squared plus 5 straight y plus 3 right parenthesis divided by space 5 left parenthesis straight y plus 4 right parenthesis

Solution

∵      20 = 2 × 2 × 5

∴      fraction numerator 20 left parenthesis straight y space plus space 4 right parenthesis left parenthesis straight y squared space plus space 5 straight y space plus 3 right parenthesis over denominator 5 left parenthesis straight y space plus space 4 right parenthesis end fraction space equals space fraction numerator 2 cross times 2 cross times 5 cross times left parenthesis straight y plus 4 right parenthesis left parenthesis straight y squared plus 5 straight y plus 3 right parenthesis over denominator 5 space cross times space left parenthesis straight y space plus space 4 right parenthesis end fraction
                            = 2 × 2 × (y2 + 5y + 3) = 4(y2 + 5y + 3)