Question

The value of 60 ÷ (2x 5) +5 x 8 -15 equal l to:​

Answer 1

Answer:

Using Binomial Theorem, the expression (1−2x)

5

can be expanded as

(1−2x)

5

=

5

C

0

(1)

5

−

5

C

1

(1)

4

(2x)+

5

C

2

(1)

3

(2x)

2

−

5

C

3

(1)

2

(2x)

3

+

5

C

4

(1)

1

(2x)

4

−

5

C

5

(2x)

5

=1−5(2x)+10(4x

2

)−10(8x

3

)+5(16x

4

)−(32x

5

)

=1−10x+40x

2

−80x

3

+80x

4

−32x

5

Answer 2

$\bold{\boxed{\color{red}{\bf{\underline{ANSWER}}}}}$

=>60 ÷ (2x 5) +5 x 8 -15

=>60 ÷ 10 +5 x 8 -15

=>6+5 x 8 -15

=>6+40 -15

=>46 -15

=>31

$\bold{\boxed{\color{red}{\bf{\underline{Hope it's helpful to you}}}}}$