Question

1. 5x(4x 2 ) =20x 3
2. -3x(7x) = -21x 2
3. -3x +7x = 4x
4. -3x +7y = -3x+7y
5. -3x(7x 2 ) = -21x 3
6. abc(ab) = a 2 b 2 c
7. 17x 2 +17 2 x 2 =17x 2 +289x 2 =306x 2
8. -9xy + 2xz -18xz -5xy = -14xy-16xz
9. 3m(n) -6n(m) =3mn-6mn = -3mn
10. (5X) 0 -19 =1-19 = -18

Answer 1

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