Write the identities used to expand the following expressions.
c) (2x + 5) (2x + 9)
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Answers
Answered by
0
Answer:
2x(2x+9)+5(2x+9)
Step-by-step explanation:
first multiple 1 term by whole bracket and then 2 term by whole bracket
Answered by
0
Step-by-step explanation:
(2x+5) (2x+9)
2x(2x+9) +5(2x+9)
4x^2 +18x+10x+45
4x^2 +28x +45
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