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(2(x+7))^2
Answers
Answered by
0
Answer:
{2(x+7)}^2
=4(x+7)^2
=4(x^2+2.x.7+7^2)
=4(x^2+14x+49)
Answered by
0
Answer:
4x²+56x+196
Step-by-step explanation:
(2(x+7))²
(2x+14)²
(2x+14)(2x+14)
2x(2x+14)+14(2x+14)
4x²+28x +14(2x+14)
4x²+28x+28x+196
4x²+56x+196
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