Find and correct the errors in the following mathematical statement. S

1.	Find and correct the errors in the following mathematical statement. Substituting x = −3 in (a) x2 + 5x + 4 gives (−3)2 + 5 (−3) + 4 = 9 + 2 + 4 = 15 (b) x2 − 5x + 4 gives (−3)2 − 5 (−3) + 4 = 9 − 15 + 4 = −2 (c) x2 + 5x gives (−3)2 + 5 (−3) = −9 − 15 = −24
Answer» Find and correct the errors in the following mathematical statement. Substituting x = −3 in (a) x² + 5x + 4 gives (−3)² + 5 (−3) + 4 = 9 + 2 + 4 = 15 (b) x² − 5x + 4 gives (−3)² − 5 (−3) + 4 = 9 − 15 + 4 = −2 (c) x² + 5x gives (−3)² + 5 (−3) = −9 − 15 = −24

Find and correct the errors in the following mathematical statement. Substituting x = −3 in (a) x2 + 5x + 4 gives (−3)2 + 5 (−3) + 4 = 9 + 2 + 4 = 15 (b) x2 − 5x + 4 gives (−3)2 − 5 (−3) + 4 = 9 − 15 + 4 = −2 (c) x2 + 5x gives (−3)2 + 5 (−3) = −9 − 15 = −24

Answer»

Find and correct the errors in the following mathematical
statement. Substituting x = −3 in

(a) x² + 5x + 4 gives (−3)²
+ 5 (−3) + 4 = 9 + 2 + 4 = 15

(b) x² − 5x + 4 gives (−3)²
− 5 (−3) + 4 = 9 − 15 + 4 = −2