1.

4)Solve the following quadratic equation byfactorisation methodX2+8x+15=0​

Answer»

Answer:

x= -3,-5

Step-by-step EXPLANATION:

FACTORIZE x²+8x+15=0

x²+(3x+5x)+15 = 0

x²+3x+5x+15 = 0

x(x+3) + 5(x+3) = 0

(x+5)(x+3)=0

x+5=0 ⇒ x=-5

x+3=0⇒ x= -3



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