Question

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(1) Is 10 (6-(-2)] = 10 x 6 - 10 * (-2)?
() Is (-15) [(-7)(-1)] =(-15) (-7)-(-15) (-1)?​

Answer 1

1.L.H.S=10×[6-(-2)]

=10×(6+2)

=10×8

=80

R.H.S=10×6-10×(-2)

=60-(-20)

=60+20

=80

L.H.S=R.H.S

2. L.H.S=(-15)[(-7)(-1)]

=(-15)(7)=(-105)

R.H.S=(-15)(-7)-(-15)(-1)

=105-15

=90

L.H.S not equal to R.H.S.

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Answer 2

(1) Yes

LHS = 10 x 8

= 80

RHS = 60 + 10 x 2

= 60 + 20

= 80

LHS = RHS

(2) No

LHS = -15 x 7

= -105

RHS = 15 x 7 - 15

= 105 - 15

= 90

LHS is not equal to RHS

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