Question

28. Simplify and find the value of the product for x=1 and y=-1: (x2 + 2y)(x3 - 2xy + y3) ​

Answer 1

Answer:

in pic

Step-by-step explanation:

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Answer 2

Answer:

QUESTION

(x2+2y)(x3-2xy+y3) WHEN x=1,y=-1

PUTTING THE VALUE OF x=1,y=-1

=(1×2+2×-1){1×3-2×1×-1+(-1×3)}

=-4×-1×-3

4×-3

=-12