Question

What are the possible dimensions of a rectangle whose area is 35y^2 +13y -12

Answer 1

Answer:

$35y { }^{2} + 13y - 12 \\ 35y {}^{2} - 15 y+ 28y - 12 \\ 5y(7y - 3) + 4(7y - 3) \\ (5y + 4)(7y - 3) \\ 7y = 3 \\ y = 3 \div 7$