razamohammed2006 razamohammed2006

22-03-2022
Mathematics

contestada

(a+4)^(2)-(a-1)^(2) please solve this rn please i need it

Respuesta :

rspill6 rspill6

22-03-2022

Answer:

10a + 15

Step-by-step explanation:

(a+4)^(2)-(a-1)^(2)

(a+4)^(2)

(a+4)(a+4) = (a^2 + 8a + 16)

(a-1)^(2)

(a-1)(a-1) = (a^2 -2a + 1)

(a^2 + 8a + 16) - (a^2 -2a + 1)

a^2 + 8a + 16 - a^2 +2a - 1

10a + 15

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