Question

(vi) 15(2x - y)2 - 16(2x - y) - 15​

Answer 1

Step-by-step explanation:

by multiplication 30x²-15y²-32x+16y-15

30x²+16x-15y²+16y-15

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Answer 2

Answer:

(30-15y)square( - 32 + 16y) -15. =second Portion will come in front (-32+16) and first portion will go to second portion and signs Will be changed -30 +15y =it will be in this way -32+16y +15-30+15y = -32 -30 -15 +16 y +15y =+77 + 31y