(2a+4) (2a-7) using identity
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Answered by
1
Answer:
Step-by-step explanation:
(2a+4) (2a-7)
2a[(1+4)(1-7)]
2a[5*(-6)]
2a*(-30)
-2a30
Answered by
2
Step-by-step explanation:
(2a +4 ) (2a -7)
= 4a² +8a - 14a - 28
= 4a²- 6a -28
= 2a² - 3a - 14
= 2a² + 4a - 7a - 14
= 2a( a + 2 ) - 7(a +2)
=(2a - 7) (a + 2)
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