Question

Math
1. (-36) × ( 72 ) + (36) X 28​

Answer 1

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Solution:

$\\ \\ \\ = - 36 \times 72 + 36 \times 28 \\ \\ = - 2592 + 1008 \\ \\ = - 1584$

Knowledge booster:

⟹ When we solve multiplication and addition together we have to use method like BODMAS. Full form of BODMAS is bracket open, Division,Multiplication, Addition and Subtraction.

⟹ So, while solving above question, multiply then add the number

While multiplying and dividing,

⟹ Positive number with positive number then answer is positive

⟹ Negative number with negative number then answer is negative

⟹ Positive number with negative number then answer is negative

⟹ Numbers with same sign should be added and common sign should be indicated with number.

For example,

$5 + 5 = 10 \\ \\ - 5 - 5 = - 10$

⟹ Numbers with opposite sign should be subtracted and answer should be given greater number sign

For example,

$- 7 + 6 = - 1 \\ \\ 8 - 2 = 6$