Question

Find the value of (3° +4°) x 5°
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Answer 1

Answer:

Ans - 2

Step-by-step explanation:

We know that,

a°=1

Therefore,

3°=1

4°=1

5°=1

ie, (1+1)×1

= 2×1

=2

Hope it helps...✌

Answer 2

Answer:

$\hello$

3x(4x−5)+3=12x2−15x+3

x=3 gives the value 12(9)−15×3+3

                                          =108−45+3

                                          =66