Answer: y^2-y-12
Explanation:
a=y, b=3, c=y, d=-4
=yy+y\left(-4\right)+3y+3\left(-4\right)
Apply minus−plus rules
(+(−a)=−a)
=yy-4y+3y-3\cdot \:4
Simplify yy-4y+3y-3x4:y^2-y-12
=y^2-y-12
3.4m questions
4.4m answers