lorelei4 lorelei4

09-09-2019
Mathematics

contestada

Please help explain the steps

Please help explain the steps class=

Respuesta :

mani82ebra mani82ebra

09-09-2019

Step-by-step explanation:

3a^2+24a+45=0

×3/3( first ×3)

9a^2+24(3a)+135=0

(3a+15)(3a+9)=0

now /3

3(a+5)(a+3)

a=-5✓

a=-3✓

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