Q.3 what will be the value of a + b, if 2 points
х2 + 2x – 15 = (х +а) (x+b)
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Step-by-step explanation:
the answer is 2 plz mark as brainliest
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Answer:
a+b=2
Step-by-step explanation:
x^2+2x-15=(x+a)(x+b)
x^2+5x-3x-15=(x+a)(x+b)
x(x+5)-3(x+5)=(x+a)(x+b)
(x+5)(x-3)=(x+a)(x+b)
a=5,b= -3
a+b=5-3=2
plz mark me as brainliest
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