(x+3) (x+7) using identify
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Answered by
3
Using the identity: (x + a)(x + b) = x² + (a + b)x + ab
(x + 3)(x + 7)
= x² + (7 + 3)x + (7)(3)
= x² + 10x + 21
(x+3)(x+7) = x² + 10x + 21
Answered by
0
Answer:
×+3
×+7
ײ+10×+21
Step-by-step explanation:
×+3
×+7
ײ+3×
+7×+21
ײ+10×+21
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