Question

Simplify 2m(4m - 5) + 7 and find its value for (i) m = 0 (ii) m = 1 2​

Answer 1

Answer:

( i)7

(ii)1039

Step-by-step explanation:

2m(4m - 5) + 7 -----------(1 )

( i) If m = 0, then

By substituting value of m in 1 , we get

2×0 (4×0- 5) + 7

= 0(0-5) +7

= 0+7

= 7

(ii) If m= 12

By substituting value of m in 1 , we get

2×12(4×12-5)+7

= 24(48-5) +7

= 24 × 43 +7

= 1032 +7

= 1039

Answer 2

Answer:

The value for m = 0 will be 7 and for m = 12 will be 1039.

Step-by-step explanation:

In context to the question asked,

We have to find the value for (i) m = 0 (ii) m =  12​

As per the data given in the question,

It is given that,

$2m(4m - 5) + 7$

( i ) For, m = 0

By substituting the value of m = 0, we get

=> $2m(4m - 5) + 7$

=> $2\times 0 ( 4\times 0 - 5 ) +7$

By performing multiplication,

=> 0 ( 0 - 5 ) + 7

Subtract the terms in the brackets,

=> 0 ( 5 ) + 7

=> 0 + 7

=> 7

So, the value for m = 0 is 7

( ii ) For, m = 12

By substituting the value of m = 12, we get

=> $2m(4m - 5) + 7$

=> $2\times 12(4\times 12-5)+7$

By performing multiplication,

=> 24 ( 48 - 5 ) + 7

Subtract the terms in the brackets,

=> 24 × 43 + 7

Multiplying 24 and 43, we get

=> 1032 + 7

Adding 1032 and 7, we get

=> 1039

So, the value for m = 12 is 1039