Simplify 7x*2(3x-9)+3 and find its values for x=4and x=6
Answers
Answered by
0
Answer:
➦ 339 and 2271 !!
Step-by-step explanation:
when X = 4
➦ 7 (4)² (3(4)-9)+ 3
➦ 112 (12-9) + 3
➦ 112(3) + 3
➦ 336 +3 ➦ 339.
When X = 6
➦ 7(6)²(3(6)-9) + 3
➦ 252 (18-9) + 3
➦ 252(9) + 3
➦ 2268 + 3 ➦ 2271
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Answered by
3
Answer:
x = 4
7x × 2(3x - 9) + 3
=> (7 × 4) × 2( 3 × 4 - 9) + 3
=> 28 × 2(12 - 9) + 3
=> 28 × 2 × 3 + 3
=> 56 × 3 + 3
=> 168 + 3
=> 171
Ans. 171
x = 6
7x × 2(3x - 9)
=> (7 × 6) × 2(3 × 6 - 9) + 3
=> 42 × 2(18 - 9) + 3
=> 42 × 2 × 9 + 3
=> 84 × 9 + 3
=> 756 + 3
=> 759
Ans. 759
Hope it helps.
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